- J. & C. Walker (1)
- J. & C. Walker (Firm) (11)
- J. & C. Walker (Firm), (engraver) (4)
- J. & C. Walker (Firm). (1)
- J. & C. Walker. (1)
- J. & G. Menzies, (engraver) (1)
- J. Manz & Co. (Firm : Chicago, Ill.) (1)
- J. Manz & Co. (Firm : Chicago, Ill.). (2)
- J. McKittrick & Company (1)
- J.& C. Walker (Firm), (engraver) (2)
- J.D. Potter Ltd (5)
- J.G. (Monitor) (1)
- J.H. Colton & Co (6)
- J.H. Colton & Co. (Original copyright holder) (2)
- J.K. Gill & Co (1)
- J.L. (6)
- J.N. Matthews Co (1)
- JCC Association (1)
- JJ (Engineer) (2)
- JP (Engineer) (3)