Handwritten, from George Sack, July 26, 1926, Charles M. Russell's surgery, "Secrets of the Night" is now owned by Sack, "Range Father" is ready, wishes to be billed for "Rain Father" and "The War Dance", asks Nancy C. Russell to send "The Little Buffalo Hunt" and the two busts so he can have them as soon as possible.

Handwritten letter from George D. Sack to Nancy C. Russell dated 23 November 1929 expresses his luck with the Ouija board and sends a message from Charles M. Russell to Nancy C. Russell.

Handwritten two page letter from George Sack to Nancy C. Russell dated 16 December 1929 containing a further message from Charles M. Russell and encloses a poem titled 'A Greeting of Love.'

Handwritten two page letter from George D. Sack to Nancy C. Russell dated 3 February 1930 informs her that he is now attempting automatic writing, and so far has gotten no results, but he is still able to communicate with Charles M. Russell through the Ouija board, and enclosed another poem 'from the two Heavenly Poets.'

Handwritten letter from George D. Sack to Nancy C. Russell dated 7 July 1928 encloses a check for six months interest on the note.

Handwritten, from George Sack, January 21, 1929, sending a photo of "High Wide and Handsome", he checks condition of bronzes for Nancy C. Russell.

Handwritten, from George Sack, April 6, 1925, received "Indian Family", Sacks are moving, enclosed is a check for "Country Coup", criticized the foundry, he suggests another manufacturer. Folded as one would fold a card.

Handwritten, from George Sack, December 16, 1926, recently acquired some bronzes, "Scalp Dancer", "Snake Priest", "Last Laugh", "Oh, Mother, What is It?", "Indian Bookends", "Wild Cattle", and "a piece with a base like the ash trays, a squatting Indian at one edge apparently smoking a pipe held on a support...", has ordered "Wild Cattle". Folded as one would fold a card.

Handwritten, from George Sack, December 11, 1926, states he has the bronzes "The Buffalo Runner" and "To Noses that Read", looking forward to "Secrets of the Night", Madeline took possession of "Peigan Squaw". Folded as one would fold a card.

Western Union telegram from George Sack, handwritten, January 11, 1927, Tiffany shipped buffalo book ends, weapons of the weak, the bluffers, and scalp dancers, the balance sold.