The following publications contain information about Samuel Severs:
Article: "Severs. Estate and Heirs Threaten Complications—No Contract With Severs and Johnson" • Muskogee Times-Democrat • Muskogee, Oklahoma • 8 May 1912 • Page 1.
Article: "Rich Captain Left Two Sons. Claims to Fortune Made by Man Named Severs. One Alleges He Was Child of Wealthy Pioneer by Cherokee Woman and the Other by a Creek Wife." • The Wichita Beacon • Wichita, Kansas • 9 May 1912 • Page 2.
Article: "Indian Millionaire. Adopted Into Creek Nation and has Most Romantic Tale of Age." • The Hutchinson Gazette • Hutchinson, Kansas • 30 May 1912 • Page 4.
Article: "3 Widows Fight for Millionaire's Riches. Death of Captain Frederick B. Severs Reveals That He Had Several Wives." • The San Francisco Examiner • San Francisco, California • June 21, 1912 • Page 24.