Bibliografía (20 obras)
Warman's Hummel field guide
2004
Collecting antique bird decoys and duck calls
2003
Warman's fishing lures field guide
Depression era glassware
2002
1992
Luckey's Hŭmmel figurines & plates
Luckey's Hummel Figurines and Plates
1990
Old Fishing Lures and Tackle, Identification and Value Guide (Old Fishing Lures & Tackle)
Luckey's Hummel figurines & plates
Luckeys Hummel Figurines
1988
An identification & value guide to depression era glassware
1983
Collecting antique bird decoys
Collector Prints Old and New
1981
Norman Rockwell art and collectibles
Old fishing lures and tackle
1980
An identification and value guide to the art of Ferrandiz
Hummel figurines & plates
1979
Hummel figurines
1978
Official price guide to silver-silverplate and their makers, 1865-1920
Official guide to collector prints
1976
