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Bird Class, 1940
Bird Class, 1940
Bird Class, 1940
Bird Class, 1940
Building dedication speeches (Box 40, Folder 352)
Diaries, notebooks, mss. Berthel, Russell Messer, Advanced Taxonomy notes and papers (Box 51, Folder 458)
Diaries, notebooks, mss. Berthel, Russell Messer, Animal Ecology notes, March 29 (Box 51, Folder 461)
Diaries, notebooks, mss. Berthel, Russell Messer, Field Ecology notes and papers (Box 51, Folder 459)
Diaries, notebooks, mss. Berthel, Russell Messer, Mammalogy notes and papers (Box 51, Folder 460)
Ice flows on Lake Superior