Correspondence, notes on physics and astronomy as a student in Paris and teacher at Lehigh University and Stevens Institute of Technology, and papers (1889-1922) of Mayer's son, Alfred Goldsborough Mayer (1868-1922), naturalist and marine zoologist, including notes, studies at Harvard and on expeditions to the Fiji Islands (1899-1900) and to the West Indies, drafts, and colored illustrations for reports on zoology as director of the Tortugas Laboratory of the Carnegie Institution, Tortugas, Florida.