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

W - Farm Experiments - paperback or softback - X555z

Hutcheson - Silage Experiments... - paperback or softback - X555z

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

Thompson - Experiments - New paperback or softback - X555z

Georgeson - Steer-feeding Experiments Volumes 57-75 - paperback or so - X555z