Primary sources may also be found in books. Use OneSearch to find books at the duPont-Ball Library, as well as books from libraries worldwide that can be requested through Interlibrary Loan. Try doing a keyword search for your topic and add the type of source you're looking for as a second keyword, such as:
| correspondence | manuscripts | speeches |
| diaries | narratives | letters |
| interviews | sources | documents |
Books on the history of Germany have call numbers beginning with DD. This section is located on the top floor of the library. A sample of call number ranges is listed in the chart below:
| History of Germany | DD1-905 |
| 19th-20th Centuries | DD201-257.4 |
| New Empire, 1871-1918 | DD217-231 |
| World War I, 1914-1918 | DD228.8 |
| Hitler, 1933-1945. National Socialism | DD253-256.8 |
| World War II, 1939-1945 | DD256 |
| Period of Allied Occupation | DD257-257.4 |
Sample of books from the catalog that are or may include primary source documents.
The Oxford Handbook of Modern German History
Witness to the Holocaust
Dietrich Bonhoeffer: Indexes and Supplementary Materials
