Editore: American Rock Garden Society
Da: Terrace Horticultural Books, St. Paul, MN, U.S.A.
StapleBound. Condizione: Very Good. B & W Photos, Text Figures (illustratore). Volume 33, No. 2, April 1975. Copyright Date: 1975 Octavo, Stapled Booklet, Green Paper Card, April 1975, PP.53-104,
Editore: American Rock Garden Society
Da: Terrace Horticultural Books, St. Paul, MN, U.S.A.
StapleBound. Condizione: Very Good. B & W Photos, Text Figures (illustratore). Volume 31, No. 2, April 1973. Copyright Date: 1973 Octavo, Stapled Booklet, Green Paper Card, April 1973, PP.45-88,
Editore: American Rock Garden Society
Da: Terrace Horticultural Books, St. Paul, MN, U.S.A.
StapleBound. Condizione: Very Good. B & W Photos, Text Figures (illustratore). Volume 33, No. 1, January 1975. Copyright Date: 1975 Octavo, Stapled Booklet, Green Paper Card, January 1975, PP.52,