Smith, Hobart M. <br/><br/>
Summary of the Distribution of the Herpetofauna of Colorado :   a Supplement to an Annotated Check List of the Amphibians and Reptiles of Colorado 

 - Colorado :   University of Colorado,   1965. 
 - 52 p. :   il. ;   14 cm. 
 - University of Colorado studies. Series in biology ;   15 .