THE IDENTITY OF TESTUDO PUNCTATA LACEPEDE, 1788 (TESTUDINES, TRIONYCHIDAE)WEBB RG.1980; BULL. MUS. NATL. HIST. NAT., SECT. A, ZOOL. BIOL. ECOL. ANIM.; ISSN 0181-0626; FRA; DA. 1980; VOL. 2; NO 2; PP. 547-557; ABS. FRE; BIBL. 2 P.Article

A REVIEW OF THE GARTER SNAKE THAMNOPHIS ELEGANS IN MEXICO.WEBB RG.1976; CONTRIB. SCI.; U.S.A.; DA. 1976; NO 284; PP. 1-13; ABS. ESP.; BIBL. 13 REF.Serial Issue

TAXONOMIC STATUS OF ASPIDONECTES CALIFORNIANA RIVERS, 1889 (TESTUDINES, TRIONYCHIDAE).WEBB RG.1975; COPEIA; U.S.A.; DA. 1975; NO 4; PP. 771-773; BIBL. 16 REF.Article

TAXONOMIC NOTES CONCERNING THE TRIONYCHID TURTLE LISSEMYS PUNCTATA (LACEPEDE)WEBB RG.1982; AMPHIB.-REPTIL.; ISSN 0173-5373; DEU; DA. 1982; VOL. 3; NO 2-3; PP. 179-184; BIBL. 11 REF.Article

A SYSTEMATIC REVIEW OF THE MEXICAN FROG RANA SIERRAMADRENSIS TAYLORWEBB RG.1978; CONTRIB. SCI.; USA; DA. 1978; NO 300; PP. 1-13; BIBL. 17 REF.Article

TAXONOMIC STATUS OF SOME NEOTROPICAL GARTER SNAKES (GENUS THAMNOPHIS)WEBB RG.1982; BULL.-SOUTH. CALIF. ACAD. SCI.; ISSN 509000; USA; DA. 1982; VOL. 81; NO 1; PP. 26-40; BIBL. 2 P.Article

COMMENTS ON SNAKES OF THE GENUS GEOPHIS (COLUBRIDAE) FROM THE MEXICAN STATES OF DURANGO AND SINALOA.WEBB RG.1977; S.-WEST. NATURALIST; U.S.A.; DA. 1977; VOL. 21; NO 4; PP. 548-551Article

VARIATION IN TADPOLES OF FROGS OF THE RANA TARAHUMARAE GROUP IN WESTERN MEXICO (ANURA: RANIDAE).WEBB RG; KORKY JK.1977; HERPETOLOGICA; E.U.; DA. 1977; VOL. 33; NO 1; PP. 73-82; BIBL. 24 REF.Article

VERTEBRADOS TERRESTRES DEL SUROESTE DE OAXACA = VERTEBRES TERRESTRES DU SUD-OUEST DE OAXACAWEBB RG; BAKER RH.1969; AN. INST. BIOL. UNIV. NACION. AUTON. MEXICO, ZOOL.; MEX.; DA. 1969; VOL. 40; NO 1; PP. 139-151; ABS. ANGL.; BIBL. 18REF.Article

A NEW SPECIES OF THE GENUS LEPIDOPHYMA (SAURIA: XANTUSIIDAE) FROM MICHOACAN MEXICOBEZY RL; WEBB RG; ALVAREZ T et al.1982; HERPETOLOGICA; ISSN 0018-0831; USA; DA. 1982; VOL. 38; NO 3; PP. 361-366; BIBL. 6 REF.Article