Brush & Pencil
A magazine that covered the decorative arts of the period in depth. The link here is to volume 9 (1902) which includes articles on Van Briggle, Grueby, and Tiffany, as well as examples of art and design.
The Craftsman
The Craftsman is available online courtesy of the University of Wisconsin. Click here to browse issues.
Handicraft
A magazine published by the Society of Arts and Crafts, Boston.
The International Studio
A great resource for advertisements and articles on the period. Link is to volume 14 from 1901.