Hirschfeld, Alexander

http://www.worldcat.org/oclc/42743827

http://www.worldcat.org/oclc/711608224

http://www.worldcat.org/oclc/144652037

http://www.worldcat.org/oclc/247539409

http://www.worldcat.org/oclc/122517199

http://viaf.org/viaf/54862648

http://www.worldcat.org/oclc/606938314

http://www.worldcat.org/oclc/728175246

http://www.worldcat.org/oclc/122291249

http://www.worldcat.org/oclc/15647865

http://www.worldcat.org/oclc/155901503

http://www.worldcat.org/oclc/80242395

http://www.worldcat.org/oclc/232117250

http://www.worldcat.org/oclc/199265321

http://www.worldcat.org/oclc/756821109

http://www.worldcat.org/oclc/80317815

http://www.worldcat.org/oclc/122389323

http://www.worldcat.org/oclc/122576679

http://www.worldcat.org/oclc/122343400

http://www.worldcat.org/oclc/122571440

http://www.worldcat.org/oclc/173692587

http://www.worldcat.org/oclc/80271296

http://www.worldcat.org/oclc/612849152

http://www.worldcat.org/oclc/122485058

http://www.worldcat.org/oclc/199384210