We welcome individuals to our research rooms in Maryland and in California. Follow the links to the left to learn about the collections and doing research.

In addition, scans of documents, image files, and online audio files can be found in the Virtual Library.

Holiday Hours

On December 24, both research rooms will be closed; the museum will be open from 10:00 to 5:00. On December 25 and January 1, the research rooms and museum will be closed. On December 31, the museum hours will be 10:00 to 5:00; the research room in California will be open from 9:00 to 2:00, and the research room in Maryland will be open from 9:00 to 5:00.