- US US-IaGG MS/MS 01.01-1-2
- Unidad documental compuesta
1906
- Mar. 4 C.D. Blachly, Grinnell, Ia.
1907
- Sep. 21 Ralph H. Garner, sec. of Grinnell College glee club
- Sep. 28 Ralph H. Garner, sec. of Grinnell College glee club
- Oct. 2 Ralph H. Garner, sec. of Grinnell College glee club
1908
- Mar. 6 Curtis Coe; Eau Claire, Wis.
- Dec. 23 Ralph Garner, Grinnell College glee club
1909
- Aug. 23 H.M. Rowell?; Waterloo, Ia. (postcard)
1910
- Jun. 21 Harry M. Rowell; Waterloo, Ia. C.C. Carstens, MSPCC; Boston, Ma.
- Jun. 23 Marjorie Sutherland; Gardiner, Mont. (postcard)
- July 1 H.M. Rowell; Cedar Falls, Ia. (postcard)
- July 13 Mrs. J.A. Young; Long Beach, Ca. (grandmother)
- July 23 Clara Millerd; Grinnell, Ia.
- J.A. Young; Long Beach. Ca. (grandfather)
- July 29 Chester Davis; Aberdeen, S.D.
- Boo (C.C. Mason); Long Beach, Ca. (postcard)
- July 30 Mrs. A.W. Hall; Colfax, Ia. (mother)
- Aug. 2 Harold Gardner; Perry, Ia. Aug. 5 George A. Clark; Redfield, S.D.
- Aug. 15 Clifford Wells; Grinnell, Ia.
- Mrs. J.A Young; Long Beach, Ca. (postcard)
- Ernest Jaqua, '07; Newport, R.I.