Gurdon Montague Butler

1881

• A manual of geometrical crystallography, treating solely of those portions of the subject useful in the identification of minerals
• A pocket handbook of menerals, designed for use in the field or class-room with little reference to chemical tests
• Pocket handbook of blowpipe analysis
• A pocket handbook of minerals
• A pocket handbook of minerals, designed for use in the field of class-room with little reference to chemical tests