- 9 Fishing boats
- 2 Fishing industry
- 1 Fishing lines
- 7 Fishing nets
- 4 Fishing rods
- 1 Fishing tackle
- 20 Fishtown, Pennsylvania
- 1 Fists
- 17 Fitler Square
- 1 Fitler, Edwin H. Cordage Co.
- 1 Fitler, Edwin Rope Walk
- 1 Fitzgerald, Edward Marlborough, 1802-?
- 9 Fitzgerald, Percy Hetherington, 1834-1925
- 1 Fitzgerald's Tavern
- 9 Fitzwater Street
- 1 Fitzwater's Steam Mill
- 1 Fixed-price contracts
- 11 Flagpoles
- 160 Flags
- 95 Flags, American
- 8 Flags, American, 1776
- 1 Flags, British
- 1 Flags, Canadian
- 2 Flags, Chilean
- 1 Flags, Chinese
- 1 Flags, Norwegian
- 3 Flags, Tunisian
- 1 Flames
- 4 Flamingos
- 1 Flanges
- 1 Flannel
- 1 Flashlight
- 2 Flasks
- 4 Flat Rock Dam
- 2 Flat Rock Paper Mill
- 2 Flat Rock, Pennsylvania
- 3 Flat tires
- 2 flat-bottomed watercraft
- 1 Flatrock Inn
- 1 Fleas
