Girard, C. (1853). Arachnidians. In: Marcy, R. (ed.) Natural History of the Red River of Louisiana. Washington, 32nd Congress, 2nd Session, Senate Appendix F (Zoology), 262-271. [reprinted twice in 1854: 33rd Congress, 1st Session, House of Representatives, 233-242; and 33rd Congress, 1st Session, Senate, 251-261] -- Show included taxa