The case of the registered letter
Subtitle: a Joe Muller detective story
By: by Grace Isabel Colbron and Augusta Groner
Contributors: Groner, Auguste, 1850-1929; NetLibrary, Inc
Publisher: Project Gutenberg; NetLibrary
Published: 199u
Place of publication: Champaign, Ill; Boulder, Colo
Language: eng
Format: [electronic resource] :
Notes: Mode of access: World Wide Web.