M W · Margaret Widdemer · Margarethe Widmeyer · Margret Wittmer
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Bedroom and Bathroom Glassware of the Depression Years | 978-0-89145-415-1 | 1989 | Kenn Whitmyer |
| Christmas Collectibles | 978-0-89145-558-5 | 1994 | " |
| Christmas collectibles | 978-0-89145-337-6 | 1987 | |
| Collectors Encyclopedia of Hall China, 3rd Edition | 978-1-57432-217-0 | 2001 | Kenn Whitmyer |
| Fenton Art Glass 1907-1939: Identification & Value Guide | 978-1-57432-299-6 | 2002 | " |
| Fenton Art Glass 1907-1939: Identification & Value Guide | 978-0-89145-696-4 | 1996 | " |
| Fenton Art Glass Colors and Hand-Decorated Patterns 1939-1980: Identification & Value Guide | 978-1-57432-418-1 | 2004 | " |
| Fenton Art Glass, Hobnail Pattern, Identification & Value Guide | 978-1-57432-473-0 | 2005 | " |
| Fenton Art Glass Patterns 1939-1980, 2nd Edition, Identification & Value Guide | 978-1-57432-384-9 | 2004 | " |
| Fenton Art Glass Patterns, 1939-1980: Identification & Value Guide | 978-1-57432-105-0 | 1999 | " |
| The Collector's Encyclopedia of Hall China | 978-0-89145-581-3 | 1994 | " |
| The collector's encyclopedia of Hall china | 978-0-89145-382-6 | 1989 | |