1. Princeton University Library Collection of Alois Beer Photographs , circa 1890 Princeton University. Library. Special Collections [Browse] Manuscript Loading...Special Collections - Manuscripts Archival. Special Collections Use Only » C1370
2. Scheria : photograph album, ca. 1885. Beer, Alois, 1840-1916 [Browse] Visual material Loading...Special Collections - Manuscripts Collection » C0938 no. 632e