Born-Digital or AnalogAnalogTranscriptDiamond swindle "Dangerous angel", a novel, by Clarence H. Kelland. Saturday Evening Post v.225 Ja 31- Mr 21, 1953 Philip Arnold first and last to salt a diamond mine. Hew Yorker Magazine Nov. 16, 1940 p.41-48 Hoax launched by Philip Arnold and Captain Slack. RMN Jy 9, 1933 p.7CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng