Carl Schmitt ; foreword and introduction by George Schwab ; translated by George Schwab and Erna Hilfstein ; with a new foreword by Tracy B. Strong

University of Chicago Press 2008 University of Chicago Press ed

: pbk

Available at 1 libraries

Nicholas Copernicus ; translation and commentary by Edward Rosen, with the assistance of Erna Hilfstein

Johns Hopkins University Press 1992 Johns Hoptins paperbacks edition Foundations of natural history . Nicholas Copernicus complete works

Available at 5 libraries

Erna Hilfstein

Ossolineum , Polish Academy of Sciences Press 1980 Studia Copernicana 21

Available at 4 libraries

by Erna Hilfstein

University Microfilms International 1978

Available at 2 libraries

[editors, Erna Hilfstein, Paweł Czartoryski, Frank D. Grande]

Ossolineum : the Polish Academy of Sciences Press 1978 Studia Copernicana 16

Available at 4 libraries