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Irwin Box 1, Folder 56

Irwin Carton 114, Folder 23

Irwin Box 30, Folder 1

Irwin Box 159, Folder 16

Irwin Box I.50, Folder 6

Irwin Box IV.26, Folder 9

Irwin Box I.A.14, Folder 14

Irwin, 1932 Box V.72, Folder 1

Irwin, 1938-1948 Box 79, Folder 20

Irwin, 1958 Box II.7, Folder 13