Hopalong Cassidy Collectibles Hopalong Cassidy Collectibles: Review of the book "Hopalong Cassidy Collectibles". (Hopalong Cassidy Series) http://collectibles.about.com/library/weekly/aa110499.htm
Hopalong Cassidy Hopalong Cassidy: Synopses and cast and crew details for many of the films in the William Boyd series. (Hopalong Cassidy Series) http://www.allmovie.com/cg/avg.dll?p=avg&sql=FHop-Along|Cassidy
Additional
Information: Sites about the western film series featuring Hopalong Cassidy starring William Boyd.
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