Physik -- Geschichte -- Quelle. : E.C.G. Stueckelberg, an unconventional figure of twentieth century physics : selected scientific papers with commentaries / Jan Lacki, Henri Ruegg, Gérard Wanders, editors
Physikalisch-Technische Reichsanstalt (Germany) / http://id.loc.gov/authorities/names/n88015251 : An institute for an empire : the Physikalisch-Technische Reichsanstalt, 1871-1918 / David Cahan
Physikalische Gesellschaft zu Berlin. / http://id.loc.gov/authorities/names/n88096641 : Aesthetics, industry, and science : Hermann von Helmholtz and the Berlin Physical Society / M. Norton Wise
Physikotheologie : Physik und Physikotheologie des jungen Kant : die Vorgeschichte seiner Allgemeinen Naturgeschichte und Theorie des Himmels / Hans-Joachim Waschkies
Physiognomy -- Early works to 1800. : Essays on physiognomy : designed to promote the knowledge and the love of mankind / by John Caspar Lavater ; illustrated by engravings, accurately copied, and some duplicates added from originals, executed by, or under the inspection of, Thomas Hollloway ; translated from the French by Henry Hunter