Publisher
- J. H. Eller & Company1
- J. L. Mott Iron Works1
- J. M. Dent & Co.1
- J. Rosenthal Fine Arts, Ltd.1
- Jewish Life Publications1
- John Lane Company1
- John W. Boughton (Firm)1
- Jouve, Hentz1
- Kansas City Post Card Co.1
- Kawneer Manufacturing Co.1
- Kikimora Publishing Co.1
- Kilby, Thomas1
- Kipp, Herbert A.1
- Krannert Art Museum1
- Kuzbas Organization1
- L. Bonfils & E. Fesquet1
- L. J. Larssons Snickeriaffär1
- Labour and Socialist International1
- Le Salon des Nations à Paris1
- Lea Publishing Company, Inc.1