Citrus Propagation; C475J. C. (John Clark) 1892- Johnston, Edward Fraser 1914-1996 Frolich, Karl W. Opitz · First published 2021Open the Tome
Pruning Olives in California; B0771Hudson Thomas 1914- Hartmann, Karl W. Opitz, R. M. Hoffman · First published 2021Open the Tome
Italy's olive production and the table olive industryKarl W. Opitz · First published 1957Open the Tome
Olive production and the table olive industry in SpainKarl W. Opitz · First published 1956Open the Tome
