found: Children in the White House, 1967:t.p. (Christine Sadler)
found: DLC copy typescript letter from Edith Susong, May 2, 1950(Dear Christine) accompanying envelope (Mrs. Christine Sadler Coe)
found: DLC copy typescript letter from Constance O'Keef Helms (Mrs. John E. Helms, Jr.), August 4, 1949(Mrs. Richard Coe)
found: Wikipedia article, Jan. 21, 2011(Christine Sadler (1902-1983), born in Silver Point, Putnam County, Tennessee, was an American author, journalist, and magazine editor; survived in death by her husband, Richard L. Coe, theater critic emeritus of the Washington Post)