Incoming Resources
- Dufour Editions, Chester Springs, Pa., 1999
- Dufour Editions, Chester Springs, Pa., 1998
- Dufour Editions, Philadelphia, 1965 c1962
- Dolmen Press;, Dufour Editions, Dublin, Chester Springs, Pa., 1968
- Dufour Editions, Chester Springs, Pa., USA, 1989
- Dufour Editions, Chester Springs, Pa., 1997
- Dufour Editions, Philadelphia, 1964