Trolling (fishing) (English Wikipedia)

Francis ER Fishing lure for simulated feeding Archived 26 September 2011 at the Wayback Machine Patent number: 4858370, issued 22 August 1989.
Moritz AJL Trolling line sinkers Archived 26 September 2011 at the Wayback Machine Patent number: 2645053, Issued: July 1953.
Larson W Trolling depth controller Archived 26 September 2011 at the Wayback Machine Patent number 4486970, issued 11 December 1984.
Barnett OL Rotating fishing lure spreader for use while trolling Archived 26 September 2011 at the Wayback Machine Patent number 4920687, Issued 1 May 1990.
LeBoeuf KP Trolling lure and method of making same Archived 26 September 2011 at the Wayback Machine Patent number: 4215506, issued 5 August 1980.
Matthews CL et al Trolling motor steering device Patent number 4386918, issued 7 June 1983.
Weber RW Fishing device Archived 26 September 2011 at the Wayback Machine Patent number 3844059, issued October 1974.

howstuffworks.com

"Walleye Fishing with a Planer Board - HowStuffWorks". adventure.howstuffworks.com. 20 November 2008. Retrieved 31 August 2015.

Buckley RM, Itano DG and Buckley TW (1989) "Fish Aggregation Device (FAD) Enhancement of Offshore Fisheries in American Samoa" Bulletin of Marine Science, 44 (2): 942-949.

"How to Use a Planer Board for Trolling | Planer Board". planerboard.com. Archived from the original on 18 June 2021. Retrieved 31 August 2015.

Francis ER Fishing lure for simulated feeding Archived 26 September 2011 at the Wayback Machine Patent number: 4858370, issued 22 August 1989.
Moritz AJL Trolling line sinkers Archived 26 September 2011 at the Wayback Machine Patent number: 2645053, Issued: July 1953.
Larson W Trolling depth controller Archived 26 September 2011 at the Wayback Machine Patent number 4486970, issued 11 December 1984.
Barnett OL Rotating fishing lure spreader for use while trolling Archived 26 September 2011 at the Wayback Machine Patent number 4920687, Issued 1 May 1990.
"How to Use a Planer Board for Trolling | Planer Board". planerboard.com. Archived from the original on 18 June 2021. Retrieved 31 August 2015.
LeBoeuf KP Trolling lure and method of making same Archived 26 September 2011 at the Wayback Machine Patent number: 4215506, issued 5 August 1980.
"Image: MCSquidDaisyChain.jpg, (191 × 223 px)". alltackle.com. Archived from the original on 3 March 2016. Retrieved 31 August 2015.
Ken Schultz (1999) Ken Schultz's Fishing Encyclopedia
Weber RW Fishing device Archived 26 September 2011 at the Wayback Machine Patent number 3844059, issued October 1974.
"Drawing (FAO)". Archived from the original on 24 September 2015. Retrieved 12 June 2010.