Nebraska Crow Roosts near Peru (1887) 1988. Annual Report Nebraska State Board of Agriculture for the Year 1887. State Journal Company, Lincoln. Pages 119-120.
Night Migration of Birds Over Omaha Sandy Griswold. September 16, 1906. [Night Migration of Birds Over Omaha]. Omaha Sunday World-Herald 41(51): 6-E. Portion of Forest, Field and Stream column. Obvious bird name misspellings corrected.
Notes on Nebraska Birds (1888) April, 1888. Ornithologist and Oologist 13: 49-51. Continues: November 1888, 13: 169-172; and November 1889, 14: 163-165.