YEARBOOK (CALIFORNIA AVOCADO SOCIETY) (JOURNAL) - vol: 1915-2000; 2004-2006/7; Volcani Hardcopy YEARBOOK (SOUTH AFRICAN AVOCADO GROWERS' ASSOCIATION) (JOURNAL) - vol: [1981-2002]; Volcani Hardcopy YEARBOOK OF FOREST PRODUCTS (JOURNAL) - vol: [1981-; Volcani Hardcopy