Gurdon Montague Butler

• A Manual of Geometrical Crystallography, Treating Solely of Those Portions of the Subject Useful in the Identification of Minerals
• Pocket Handbook of Blowpipe Analysis: Designed for the Use of Students and Prsspectors with the ..
• Handbook of Mineralogy, Blowpipe Analysis, and Geometrical Crystallography, Volume 1, Parts 1-3
• Manual of Geometrical Crystallography
• Pocket Handbook of Blowpipe Analysis
• Pocket Handbook of Blowpipe Analysis; Designed for the Use of Students and Prospectors with the Idea of Making Oral Instruction Unnecessary
• Pocket Handbook of Minerals, Designed for Use in the Field of Class-Room with Little Reference to Chemical Tests