DDC Table 5: Classifying Racial, Ethnic, and National Groups

Open the Dewey Decimal Classification and you will find six auxiliary tables sitting quietly behind the main schedules. Table 5 is one of the most useful among them. It lets a classifier represent the racial, ethnic, and national identity of the people a book is about, turning a vague subject like “a study of Tamil communities” into a precise, machine-readable number. But Table 5 has one strict rule: its numbers are never used on their own. Understanding when and how to attach them is the heart of good document processing, and that is exactly what this post unpacks.

Why use Table 5?
Why it matters in social sciences and humanities
Using Table 5 on instructions
Direct addition under a schedule note
Ethnopsychology
Social stratification
Cookery – a useful trap
Extending Table 5 with Table 2
Applying standard subdivision 089
A worked example
Cultural aspects among ethnic groups

Why use Table 5?

Table 5 lists groups of people systematically according to ethnic and national origin. An ethnic group here usually means a group bound by language, though it can also mean a group tied by shared culture or ancestry. The structure of the table closely mirrors the language and literature classes, which is why many of its captions begin with phrases such as “peoples who speak, or whose ancestors spoke” a particular language. Every group enumerated in the table also appears in the Relative Index, so a classifier can look up “Bengalis” or “Kurds” and be pointed to the right notation.

One historical detail is worth noting. From the 18th edition through the 21st, this table was actually titled “Racial, Ethnic, National Groups.” As of the 22nd edition, the word “racial” was dropped, because classifying people by race is a deeply charged idea. The opening note at T5-0 now advises that concepts of race vary, and that a work emphasizing race should be classed with the ethnic group that best matches the work’s own description. This shift reflects a thoughtful change in how knowledge organization treats human identity.

The social sciences and humanities deal constantly with human groups: their history, sociology, psychology, customs, art, and politics. A library that cannot distinguish a book on Punjabi folk traditions from one on Marathi theatre is a library that fails its researchers. Table 5 supplies a single, consistent vocabulary of people-groups that can be plugged into subjects across the entire scheme. This is what makes a classification scheme synthetic rather than purely enumerative – instead of pre-printing a number for every possible group in every possible subject, Dewey lets you build the number you need.

There is also a citation rule built into the table. Because a single person can belong to more than one category, Dewey fixes a preferred order so that classifiers stay consistent. In Table 5, the general preference is to favour ethnic group over nationality.

Using Table 5 on instructions

The golden rule is simple. Numbers from Table 5 are never used alone. They are attached to a base number in one of two ways: directly, when a note in the schedule explicitly tells you to do so, or indirectly, through the standard subdivision 089 from Table 1. The notation may be added directly when so noted, or through the interposition of 089 with almost any number. When direct addition is permitted, it is the preferred route over 089.

Direct addition under a schedule note

A clear example sits in the music class. At 781.621-781.629, folk music of specific ethnic and national groups, the instruction reads: add to the base number 781.62 the notation 1-9 from Table 5. So Spanish folk music becomes 781.6261. Here the schedule itself invites Table 5, so no facet indicator is needed.

Ethnopsychology

Ethnopsychology studies the psychological make-up and mental processes attributed to particular ethnic or national groups. In Dewey, this material gathers at 155.8, ethnopsychology and national psychology – a number that the classification keeps distinct from evolutionary and environmental psychology nearby. When a researcher studies how a specific group expresses emotion or organises family life, the ethnic-group facet is supplied by Table 5, allowing comparative psychological studies to be shelved and retrieved by the community they examine. This is invaluable for students comparing, say, attitudes to ageing across two cultures.

Sociology is where Table 5 earns much of its keep. Class 305 covers groups of people, and 305.8 is set aside for ethnic and national groups within the study of social stratification. A book on the social standing of a particular community draws its group notation here. For instance, a work on North Americans of Celtic origin classes at 305.8916, where the 8916 portion identifies the group. This lets a library separate works on caste, migration, or minority status by the exact community involved rather than lumping them all under a single broad heading.

Cookery – a useful trap

Cookery is included here precisely because it teaches an important boundary. “Ethnic cooking” sounds like a job for Table 5, but it is not. Cooking characteristic of a specific geographic environment is classed at 641.59, and the group is expressed using area notation from Table 2, not Table 5. So Chinese cooking sits at 641.5951 and Italian cooking at 641.5945, where 51 and 45 are the area numbers for China and Italy. When classifiers face a cookbook tied to a place, they generally emphasise the cuisine and its geographic environment. The lesson is to read the schedule note carefully before assuming a “group” automatically means Table 5.

Extending Table 5 with Table 2

Sometimes one facet is not enough. The same ethnic group can live in many countries, and a work may focus on that group in a single place. This is where Table 2 (Areas) steps in to add geographical precision after the ethnic facet has been established.

Consider the Jewish community, which has a presence across the globe. A general work on Jews is classed using their Table 5 group notation, but a study of Jewish communities in a specific country can be sharpened by attaching area notation from Table 2 to mark that location. The same logic applies to a dispersed people like the Kurds, who span several countries in West Asia – you can pin a work to the wider region or to a single nation. Indian classifiers meet this need constantly, because diaspora communities and regionally concentrated groups both demand geographic specificity. The principle is that Table 5 answers “which people,” while Table 2 answers “in which place,” and the two combine to give a far richer subject statement.

Applying standard subdivision 089

The real power of Table 5 comes from a small but mighty key in Table 1: the standard subdivision -089. This subdivision is captioned for the treatment of a subject among specific ethnic and national groups, and its instruction is to add the notation 01-99 from Table 5 to the base -089. The classifier is told to add 01-99 from Table 5 to base number -089, which means almost any subject in the entire scheme can suddenly be qualified by ethnic group.

Think of -089 as a doorway. Most external tables can only be used when a schedule note opens the door for them. But just as Table 2 has its own general key in the standard subdivision -09, Table 5 has -089. As the standard handbook explains, this subdivision works as a facet indicator, letting you build group numbers in relation to any topic. Remember, though, that direct addition is preferred whenever a schedule note allows it; -089 is the route you take when no such note exists.

A worked example

The cleanest illustration comes from the arts. Take a work on the ceramic arts of Chinese artists worldwide. You begin with 738 for ceramic arts, attach -089 to signal “treatment among ethnic groups,” then add the Chinese notation from Table 5. The result is 738.089951, combining ceramic arts, the 089 facet, and 951 for Chinese. Notice the structure: subject, then facet indicator, then group.

One caution. Dewey carefully distinguishes -089 from -09. The manual advises using -09, not -089, for the distinguishing characteristics of a subject such as its history or geographic treatment, reserving -089 for the ethnic and national dimension. Mixing these up is one of the commonest errors in number building, so it pays to pause and ask whether your work is really about a group of people or merely about a place.

Cultural aspects among ethnic groups

Because culture – language, customs, art, traditions – is so often central to ethnic studies, -089 becomes the natural tool for classifying cultural treatments. A book on the literary or artistic contribution of a particular community can be built by combining the relevant subject with the -089 facet and the group’s Table 5 notation. The same approach captures comprehensive works on an ethnic group as a whole, which Dewey directs to -089 rather than scattering them across other subdivisions. For a college collection serving sociology, anthropology, and cultural studies, this single mechanism keeps an enormous range of material tidily organised and findable.

What do you think? If “ethnic cooking” is classed by geographic area in Table 2 rather than by Table 5, where would you draw the line between a person’s nationality and their ethnicity when both could apply to the same work? And given that Dewey dropped the word “racial” in its 22nd edition, do you think a classification scheme can ever describe human identity neutrally, or does every choice carry a point of view?

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Table of Contents

Why use Table 5? 🔗

Why it matters in social sciences and humanities 🔗

Using Table 5 on instructions 🔗

Direct addition under a schedule note 🔗

Ethnopsychology 🔗

Social stratification 🔗

Cookery – a useful trap 🔗

Extending Table 5 with Table 2 🔗

Applying standard subdivision 089 🔗

A worked example 🔗

Cultural aspects among ethnic groups 🔗

References

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