Telegram to William H. Cook, Sr. from his son, William H. Cook, Jr., March 19, 1939. Responds to Cook, Sr.'s previous telegram about the crash of a Boeing 307 Stratoliner during a test flight on March 18, 1939. Cook, Jr. states that he is okay, as he…
Letter to Mr. and Mrs. William H. Cook, Sr. from their son, William H. Cook, Jr., March 27, 1939. Addresses the crash of a Boeing 307 Stratoliner during a test flight on March 18, 1939 and describes the ongoing investigation and impact; Cook's boss,…