TY  - BOOK
AU  - John Paul II
TI  - Encyclical on human work
PY  - 0000///[19??]
CY  - Boston
PB  - St. Paul
KW  - Catholic Church. Pope (1978-2005 : John Paul II). Laborem exercens
KW  - Church and labor
N1  - Ze spuścizna W. Bączkowskiego
ER  -