The Ladies Art Company of St. Louis, Missouri was the earliest quilt pattern company to publish quilt patterns in large quantities and design varieties. Officially established in 1889 (although the family gave a date of c1874 for the founding) Ladies Art Company continued to publish patterns until the 1970s. This collection is housed in the Michigan State University Museum.

This information was found typed on a page  in a notebook containing copies of the following catalogs:
Second edition - c1897 - Pattern numbers to 400
Seventh edition - c1898 - Pattern numbers to 400
Eight Edition - c1898 - Pattern numbers to 420
Ninth Edition - c1898 - Pattern numbers to 420
Tenth Edition - c1898 - Pattern numbers to 420
Eleventh Edition - c1898 - Pattern numbers to 420
Twelfth Edition - copyright not listed - Pattern numbers to 450
Fourteenth Edition - copyright not listed - Pattern numbers to 450
Sixteenth Edition - copyright not listed - incomplete copy
Seventeenth Edition - copyright not listed - Pattern numbers to 450
Quilt Pattern Book: Patchwork and Applique - c1928 - Pattern numbers to 510
Quilt Patterns: Patchwork and Applique - c1928 - Pattern numbers to 529 - thought to be 1930s
Quilt Patterns: Patchwork and Applique - c1928 - Pattern numbers to 530 - handwritten not "about 1940".
Quilt Patterns: Patchwork and Applique - no date, but c1960s-70s - Pattern numbers to 529 - Small green cover catalog is the last standard catalog the Ladies Art Company published.

This information was found typed on a separate page in the notebook containing copies of the following catalogs:
Second Edition Miniature Diagrams of Quilt Patterns
Seventh Edition Diagrams of Quilt Sofa and Pin Cushion Patterns
Eight Revised Edition Diagrams of Quilt Sofa and Pin Cushion Patterns
Ninth Revised Edition Diagrams of Quilt Sofa and Pin Cushion
Tenth Revised Edition Diagrams of Quilt Sofa and Pin Cushion Patterns
Eleventh Revised Edition Diagrams of Quilt Sofa and Pin Cushion Patterns
Twelfth Revised Edition Diagrams of Quilt Sofa and Pin Cushion Patterns
Fourteenth Revised Edition Diagrams of Quilt Sofa and Pin Cushion Patterns
Sixteenth Revised Edition Diagrams of Quilt Sofa and Pin Cushion Patterns
Seventeenth Revised Edition Diagrams of Quilt Sofa and Pin Cushion Patterns
Quilt Patterns Patchwork and Applique Copyright 1922
Quilt Patterns Patchwork and Applique Copyright 1928 St. Louis, Mo (Jensen Printery St. Louis MO)
Quilt Patterns Patchwork and Applique Copyright 1928 (Wellington Printing Company)
Quilt Patterns Patchwork and Applique Copyright 1928 (Wellington Printing Company)
Quilt Patterns Patchwork and Applique Last Issue