Sources:
- Red Snapper - Lindner, Eddy [&] Claus (1889)
- Sheepshead - Lindner, Eddy [&] Claus (1889)
- Cannon Rock - Winslow Homer (1895)
- Northeaster - Winslow Homer (1895:1901 rework)
- An Indian Bish-Khopra Lizard - Unknown Artist (ca. 1790)
- Fly wing - Martin Frobenius Ledermüller (1766)
- The Spalding Patent Flyer - R.J. Spalding cited by R.P. Scott (1889)