Creator
- Taylor, John H.1
- Thomas, Allen C. (Allen Clapp), 1846-19201
- Thompson, Hugh Miller, 1830-19021
- Thompson, J., Esq.1
- Torrey, John, 1796-18731
- Townsend, Joseph Brevitt, 1821-18961
- Turner, Edward, 1798-18371
- United States. Department of the Treasury1
- United States. Department of the Treasury. Office of the Secretary1
- University of Pennsylvania. Society of the Alumni1
- Van Vleck, William Henry, 1790-18531
- Watson, Andrew1
- Wetterauische Gesellschaft für die gesammte Naturkunde1
- White, D. W.1
- Wiegand, Conrad1
- William Mogee & Co.1
- Williams, David1
- Wilson, Charles H.1
- Wilson, George F. (George Francis), 1818-18831
- Wilson, W. C.1