F.S. ROYSTER GUANO COMPANY: Royster Field Tested Fertilizers.
Norfolk, Virginia: F.S. Royster Guano Co., 1934. First Edition. Softcover. (48)pp, including 32 unused pages for memoranda; map locating Royster's Baltimore factory. Bound in pictorial stiff wrappers, 5.25" x 3" [Unrecorded by OCLC.]. More