Petri Antonius : Il diario romano del 19 ottobre 1404 al 25 settembre 1417.
1917
1
Petri Didrik Approximately 1560 Approximately 1617 : Piæ cantiones : a collection of church & school song, chiefly ancient Swedish, originally published in A. D. 1582 by Theodoric Petri, of Nyland / revised and re-edited, with preface and explanatory notes, by G. R. Woodward, and printed at the Chiswick Press for the Plainsong and Medieval Music Society.
1910
1
Petri Frans : Bischofs-und Kathedralstadte des mittel-alters und der frühen Neuzeit.
Petrich Mario : Rings and semigroups / Mario Petrich ; with an appendix by Richard Wiegandt.
1974
1
Petricic Dusan : Let's play : traditional games of children.
1995
1
Petrick Joseph A : Management ethics : integrity at work / Joseph A. Petrick, John F. Quinn.
1997
1
Petrick Karl 1970 : Banking and financial stability in Central Europe : integrating transition economies into the European Union / edited by David Green and Karl Petrick.
2002
1
Petrides Lisa Ann 1961 : Cases studies on information technology in higher education : implications for policy and practice / [edited by] Lisa Ann Petrides.
2000
1
Petrie A H K : The intake of ions by carrot tissue at different hydrogen-ion concentrations.