TY  - BOOK
AU  - Leff, Gordon
TI  - Medieval thought
SN  - 0391017861 (ISBN13: 9780391017863)
U1  - G 189 LEF 
PY  - 1958///
PB  - Penguin books
UR  - /cgi-bin/koha/opac-retrieve-file.pl?id=2a4b6603a48b6f8575c995fbf14eb6b1
ER  -