"Petrología Técnica." . . "Pétrologie." . . "Petrology." . . "minéralogie analytique manuel." . . "minéralogie analytique [manuel]" . "Petrologia." . . "Minéralogie optique." . . . . . . "Manual of Petrographic Methods"@en . . . . . "A manual of petrographic methods"@en . . . . "Manuel of petrographic methods" . . . . . . . . "Manuel of Petrographie Methods" . . . . . . . . . . . . . . . . . "The desire of an increasing number of students for more complete information in regard to modern petrographic-microscopic methods than is to be found in any English work on the subject,has led excellent elementary and intermediate text-books on optical minerralogy,and certain portions of most crystallographies and mineralogies,are devoted to microcopic methods." . . . . "Manual of Petrographic methods" . . . . . . . . . . . . . . . . . . . . . . . "Manual of petrographic methods" . "Manual of petrographic methods"@en . . "Petrography." . . "Petrología Metodología." . . . . "Optical mineralogy." . . "Pétrologie Instruments." . . "Mineralogía óptica." . .