Collection
- United States Department of Agriculture Important Farmlands Maps (582)
- United States Geological Survey Polar Maps (569)
- Campus Maps and Blueprints (561)
- Bat of Minerva (551)
- Association for Computing Machinery (549)
- Historical Annual Reports (528)
- Penumbra Theatre Company Records (525)
- Le Rire - Journal Humoristique (513)
- Eicher African Textile Collection (503)
- Northwest Architectural Archives General Collection (475)
- Elvin C. Stakman Papers (463)
- Village of Horche, Spain Records and Papers (461)
- Cereal Rust Laboratory Records (449)
- Wigington Pemberton Family Papers (447)
- Birds of America Folio (439)
- Arthur Kleiner Collection of Silent Movie Music (421)
- Immigrant Stories (402)
- Italian American Collection (401)
- John H. Howe Papers (393)
- Ames Library of South Asia Maps (388)