Michaels - Greygallows - paperback or softback - X555z

Vealey - Particular - New paperback or softback - X555z

Georgeson - Experiments With Corn - paperback or softback - X555z

Georgeson - Experiments With Corn ... - paperback or softback - X555z

Georgeson - Fertilizer Experiments With Rice - paperback or softback - X555z

Hartwell - Abstracts Of Feeding Experiments... - paperback or softback - X555z

W - Farm Experiments - paperback or softback - X555z

Plumb - Dairy Experiments... - paperback or softback - X555z