By Smith, Hobart M..
Salt Lake City, UT : Project Gutenberg, 2011 .
1 online resource : , Release date is 2011-02-12

Place hold on The Systematic Status of Eumeces pluvialis Cope

By Duellman, William Edward,.
Salt Lake City, UT : Project Gutenberg, 2010 .
1 online resource : , Release date is 2010-12-09

Place hold on Middle American Frogs of the Hyla microcephala Group

By Taylor, Edward Harrison,.
Salt Lake City, UT : Project Gutenberg, 2010 .
1 online resource : , Release date is 2010-11-15

Place hold on A New Hylid Frog from Eastern Mexico. :

By Duellman, William Edward,.
Salt Lake City, UT : Project Gutenberg, 2010 .
1 online resource : , Release date is 2010-06-02

Place hold on A Review of the Frogs of the Hyla bistincta Group

By León, Juan R..
Salt Lake City, UT : Project Gutenberg, 2010 .
1 online resource : , Release date is 2010-05-24

Place hold on The Systematics of the Frogs of the Hyla Rubra Group in Middle America