- Porphyry the Philosopher To Marcella
- Geology of the Porphyry Copper Deposits of the Western Hemisphere by Victor F. Hollister, 1978
- Porphyry Deposits of the Canadian Cordillera: a Volume Dedicated to Charles S. Ney w/maps by A. Sutherland, Editor Brown, 1976
- Trace element variations in porphyry copper deposits, Babine Lake area, B.C (Paper - Geological Survey ; 74-9) by J. L Jambor, 1974
- Porphyry on Abstinence from Animal Food
- White mica geochemistry of the Catheart Mountain porphyry copper deposit, Maine (U.S. Geological Survey bulletin) by Robert A Ayuso, 1987
- Case Histories of Mineral Discoveries Volume 3: Porphyry Copper, Molybdenum, and Gold Deposits (Massive Sulfides), and Deposits in Layered Rock
- Porphyry, the Neo-Platonist: A Letter to Marcella
- Porphyry. by Ian Hamilton and Costley, Ron. FINLAY, 1977
- The Triumph of Vulcan: Sculptors' Tools, Porphyry, and the Prince in Ducal Florence.(Review): An article from: Renaissance Quarterly by Debra Pincus, 1998-12-22
- Porphyry the Philosopher to His Wife Marcella
- Porphyry on Abstinence from Animal Food by Wynne Tyson, 1965-06
- Petrology, geochemistry, and U-Pb (zircon) age of the quartz-feldspar porphyry dyke at the Lake George antimony mine, New Brunswick: implications for origin, ... An article from: Atlantic Geology by P.R.R. Leonard, D.R. Lentz, et all 2006-03-01
- Karamanolis, George. Plato and Aristotle in Agreement? Platonists on Aristotle from Antiochus to Porphyry.(Book review): An article from: The Review of Metaphysics by Michael Ewbank, 2007-06-01
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