- Fourteenth century, 1st half
- Fourteenth century
- Fourteen persons burned at Orleans, France
- Four-horned turtle bearer
- Four-handled Water-jug
- Four-cylinder Pope-Toledo
- Four-course Cittern
- Four Orphaned Robins
- Four o'clock huh
- Four men on the train
- Four long and bloody months
- Four Little Highland Girls
- Four little girls and a boy
- Four little girls
- Four ladies with flowers in their hair
- Four girls in dresses
- Four Cylinder Locomobile
- Four children walking wih two women
- Four Children walking down the street
- Four children playing with their toys
- Four children dancing at the seashore
- Four boys playing marbles
- Fountain
- Founder of Han - 11th Century BC
- Found upon the doorstep
- Fossil starfishes, crinoids, and holothurian sclerites
- Fossil plants—tracheophytes
- Fossil Identificaton Chart - III No apparent Symmetry
- Fossil Identificaton Chart - II Bilateral Symmetry
- Fossil Identificaton Chart - I Radial Symmetry
- Fossil collecting Equipment
- Fortress of the mole
- Fort Lafayette, New York Harbour
- Fort Hamilton, from whence United States troops were sent to aid in suppressing the Draft Riots of 1863
- Fort Hall
- Fort Astoria
- Former Constantinian Basilica of Saint Peter. Restitution
- Formal arrangements in London parks
- Forlanini’s helicopter, 1878
- Fore-limb of Monkey compared to fore-limb of Whale
- Ford’s Theatre, where President Lincoln was assassinated
- For two days and two nights the boat was tossed hither and thither
- For a quart of Ale is a dish for a King
- Footwear, 1510-1540
- Footballer
- Football tackle
- Football player
- Football
- Foot-warmers
- Foot of Epeira Vulgaris
- Foot of Attus Mystaceus
- Fool's Cap
- Food for infants
- Fonta Gazza, Siena
- Folsom Power House
- Folding cap female and young
- Folding cap catch
- Flying Yankee Velocipede
- Flying uniform, captain
- Flying dinosaurs - Rhamphorhynchus