Anonymous - Editor Volume 63 - New paperback or softback - X555z

Hopkins - Radium as a Fertilizer - New paperback or softback - X555z

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

Collison - Citrus Fertilizer Experiments - New paperback or softback - - X555z

Thorne - Field Experiments With Fertilizers... - paperback or softback - X555z

Harper - Fertilizer Experiments With Cotton... - paperback or softback - X555z

Hotchkiss - Irish Potato Fertilizer Experiments... - paperback or soft - X555z

United States. Dept. - Fertilizer Situation - paperback or softback - X555z