| Dewey Classification | Subjects Covered within that number |
|---|---|
| 929.2 | Family genealogies |
| 929.3 | Group genealogies |
| 929.6 | HERALDRY, including royal genealogies, coats of arms and flags |
| 973 - 979 | UNITED STATES |
| 970 | NORTH AMERICA, including Native Americans and Loyalists |
| 971 | CANADA |
| 972 | HISPANIC and CARIBBEAN |
| 980 | SOUTH AMERICA, OCEANICA, AUSTRALIA |
| 941 - 942 | UK & IRELAND |
| 944 - 946 | EUROPE (France, Italy, Portugal, Spain) |
| 949 | EUROPE (Belgium, Greece, Netherlands, Switzerland, Yugoslavia) |
| 943 | EASTERN EUROPE (Austria, Czechoslovakia, Germany, Germans from Russia, Hungary, Liechtenstein, Palatines, Poland) |
| 940 | EUROPE |
| 948 | SCANDINAVIA (Denmark, Finland, Norway, Sweden) |
| 947 | RUSSIA |
| 950 | ASIA and AFRICA |
| 001 | RESEARCH METHODOLOGY |
| 200 | RELIGION & GENERAL SUBJECTS |
| 355 | SOCIETIES - CLUBS, MILITARY, HERITAGE, ETC. |
| 371 - 929.1 | GENERAL SUBJECTS: such as teaching, conference syllabi, Greek letter organizations, transportation, social history, family life, cemeteries & death, family reunions, society management, architecture, photography, maps |