Clayton Roberts Orton books & textbook
Uredinales: Aecidiaceae (continuatio), Dicaeoma on Carduaceae, Allodus (North American Flora, Volume 7, Part 6)
Joseph Charles Arthur Herbert Spencer Jackson Clayton Roberts Orton
The New York Botanical Garden /1961T Paperback / 76 Pages
Potato Wart; Volume no.111
Lyman, G R (George Richard) 1871-1926 Kunkel, L O (Louis Otto) 1884- Orton, C R (Clayton Roberts) B 1885
Wentworth Press /2016-08-29 Paperback / 22 Pages
isbn-10: 137387077X / isbn-13: 9781373870773
The Potato Wart Disease: A New and Serious Disease Recently Discovered in Pennsylvania, Volumes 150-172...
Orton, Clayton Roberts Frank Dunn Kern
Nabu Press /2012-04-06 Paperback / 22 Pages
isbn-10: 127948750X / isbn-13: 9781279487501
Potato Diseases
Legare Street Press /2022-10-27 Paperback / 44 Pages
isbn-10: 1017278415 / isbn-13: 9781017278415
Seed-borne Parasites: a Bibliography; 245
Orton, C R (Clayton Roberts) B 18
Hassell Street Press /2021-09-10 Paperback / 54 Pages
isbn-10: 1014954959 / isbn-13: 9781014954954
Epistle to the Farm; 298
Orton, C R (Clayton Roberts) B 18
Hassell Street Press /2021-09-09 Paperback / 54 Pages
isbn-10: 101485220X / isbn-13: 9781014852205
Farm Science Looks Ahead; 317
Orton, C R (Clayton Roberts) B 18
Hassell Street Press /2021-09-09 Paperback / 60 Pages
isbn-10: 1013847334 / isbn-13: 9781013847332
Epistle to the Farm; 307
Orton, C R (Clayton Roberts) B 18
Hassell Street Press /2021-09-09 Paperback / 66 Pages
isbn-10: 1013305124 / isbn-13: 9781013305122
Diseases of Fruit and Nut Crops in the United States in 1923 (Classic Reprint)
Forgotten Books /2018-03-17 Hardcover / 122 Pages
isbn-10: 0364774517 / isbn-13: 9780364774519
Farm Science Looks Ahead, Vol. 317: December 1944 (Classic Reprint)
Forgotten Books /2018-08-24 Paperback / 57 Pages
isbn-10: 0265136709 / isbn-13: 9780265136706
