- 2 Germantown Woolen Mills (J.& B. Allen)
- 162 Germany
- 1 Germany Hill Park
- 1 Gerrigan, Livina
- 1 Gesellschaft Tivoli exhibit
- 1 Gesner & Bro. Brick Yard
- 1 Gessner, Salomon, 1730-1788
- 4 Gestas, d. ca. 30
- 1 Gesture drawings (drawings)
- 2 Gettysburg National Military Park, Pennsylvania
- 5 Gettysburg, Pennsylvania
- 5 Geves & Schmidt
- 3 Ghosts
- 2 Ghosts (spirits)
- 2 Giants
- 4 Gibbsboro, New Jersey
- 1 Gibraltar
- 2 Gibralter, Spain
- 1 Gibson Distilling Co.
- 1 Gibson, Reverend Matthew, ?1803 - ?
- 9 Gibsonton, Pennsylvania
- 2 Gies & Co.
- 5 Gifts
- 1 Gilbert & Gihon
- 1 Gilbert Street
- 2 Gilding (technique)
- 3 Gillespie, Elizabeth Duane, 1821-1901.
- 1 Gillet, Mrs. Adolphus
- 1 Gilliflowers
- 1 Gillinder & Sons
- 1 Gillingham & Garrison Lumber Yard
- 4 Gillingham Mansion
- 1 Gillis, Bishop (James), 1802-1864
- 12 Gimbel Brothers (Firm)
- 1 Ginger
- 1 Gingko
- 1 Giovanni Giacomo Gastoldi
- 1 Gipsy (Sculpture)
- 8 Giraffes
- 41 Girard Avenue