- G.M. Hopkins (Philadelphia, Pennsylvania), 1884 (1)
- G.M. Hopkins (Philadelphia, Pennsylvania), 1886 (1)
- G.M. Hopkins Co. (Philadelphia, Pennsylvania), 1916 (1)
- G.M. Hopkins Co. (Philadelphia) (1)
- G.M.Meyer (New York) (1)
- G.P. Putnam's Sons (New York) (1)
- G.P.O (Washington) (2)
- G.P.O. (Washington, D.C) (1)
- G.P.O.? (Washington, D.C.?) (1)
- G.P.O.? (Washington?) (1)
- G.R. Zickrick (Wahkon, Minn) (1)
- G.W. & C.B. Colton & Co (New York) (2)
- G.W. & C.B. Colton & Co (New York), 1860 (1)
- G.W. & C.B. Colton & Co. (New York) (1)
- G.W. & C.B. Colton & Co. (New York), 1867 (1)
- G.W. & C.B. Colton & Co. (New York), 1885 (1)
- G.W. & C.B. Colton & Co.; New York (3)
- G.W. & C.B. Colton (New York) (2)
- G.W. & C.B. Colton and Co (New York), 1873 (1)
- G.W. Bacon & Co (London) (2)
