William Elderhorst

Books by

Elderhorst's Manual of Qualitative Blow-pipe Analysis and Determinative Mineralogy
Elderhorst's Manual
Blowpipe
First Report of a Geological Reconnoissance of the Northern Counties of Arkansas
A Manual of Blow-Pipe Analysis and Determinative Mineralogy
Elderhorst's Manual of Qualitative Blow-Pipe Analysis, and Determinative Mineralogy
A Manual of Blowpipe-Analysis, and Determinative Mineralogy.