Publishing Co., Valentine & Sons' (1909). "Fuller's Earth Works, Ellenton"(TIFF). Manatee County Public Library System: Digital Collection (Postcard). Archived from the original on May 21, 2021. Retrieved May 21, 2021.
Publishing Co., Valentine & Sons' (1909). "Fuller's Earth Works, Ellenton"(TIFF). Manatee County Public Library System: Digital Collection (Postcard). Archived from the original on May 21, 2021. Retrieved May 21, 2021.