Luther Burbank Society

Monographs on the Improvement of the Human Plant; Volume 1

Monographs on the Improvement of Plant Life; Volume 2

Luther Burbank, His Methods and Discoveries and Their Practical Application; Prepared from His Original Field Notes Covering More Than 100,000 Experiments Made During Forty Years Devoted to Plant Improvement

Luther Burbank, his Methods and Discoveries and Their Practical Application; Prepared From his Original Field Notes Covering More Than 100,000 ... Forty Years Devoted to Plant Improvement