NEW SPECIES OF LEPTODACTYLID FROGS OF THE GENUS ELEUTHERODACTYLUS FROM THE COSNIPATA VALLEY, PERUDUELLMAN WE.1978; PROC. BIOL. SOC. WASHINGTON; USA; DA. 1978; VOL. 91; NO 2; PP. 418-430; BIBL. 2 REF.Article

THE BIOLOGY OF EQUATORIAL HERPETOFAUNA IN AMAZONIAN ECUADORDUELLMAN WE.1978; UNIV. KANSAS, MUS. NAT. HIST., MISC. PUBL.; USA; DA. 1978; NO 65; 352 P.; ABS. SPA; BIBL. 7 P.Serial Issue

THREE NEW SPECIES OF ELECTHERODACTYLUS FROM AMAZONIAN PERU (AMPHIBIA: ANURA: LEPTODACTYLIDAE)DUELLMAN WE.1978; HERPETOLOGICA; USA; DA. 1978; VOL. 34; NO 3; PP. 264-270Article

CENTROLENID FROGS FROM PERUDUELLMAN WE.1976; OCCAS. PAPERS MUS. NAT. HIST. UNIV. KANSAS; U.S.A.; DA. 1976; NO 52; PP. 1-11; BIBL. 5 REF.Serial Issue

A REASSESSMENT OF THE TAXONOMIC STATUS OF SOME NEOTROPICAL HYLID FROGSDUELLMAN WE.1974; OCCAS. PAPERS MUS. NAT. HIST. UNIV. KANSAS; U.S.A.; DA. 1974; NO 27; PP. 1-27; ABS. ESP.; BIBL. 3PArticle

A NEW SPECIES OF SMALL YELLOW HYLA FROM PERU (ANURA-HYLIDAE)DUELLMAN WE.1982; AMPHIB.-REPTIL.; ISSN 0173-5373; DEU; DA. 1982; VOL. 3; NO 2-3; PP. 153-160; ABS. SPA; BIBL. 10 REF.Article

THREE NEW SPECIES OF CENTROLENID FROGS FROM THE PACIFIC VERSANT OF ECUADOR AND COLUMBIADUELLMAN WE.1981; OCCAS. PAP. MUS. NAT. HIST., UNIV. KANSAS; ISSN 0091-7958; USA; DA. 1981; NO 88; 9 P.; ABS. SPA; BIBL. 2 REF.Serial Issue

ON THE CLASSIFICATION OF FROGSDUELLMAN WE.1975; OCCAS. PAPERS MUS. NAT. HIST. UNIV. KANSAS; U.S.A.; DA. 1975; NO 42; PP. 1-14; BIBL. 2 P. 1/2Serial Issue

THE IDENTITY OF CENTROLENELLA GRANDISONAE COCHRAN AND GOIN (ANURA: CENTROLENIDAE)DUELLMAN WE.1980; TRANS. KANSAS ACAD. SCI.; USA; DA. 1980; VOL. 83; NO 1; PP. 26-32; BIBL. 2 REF.Article

TAXONOMIC NOTES ON PHYLLOMEDUSA (ANURA: HYLIDAE) FROM THE UPPER AMAZON BASINDUELLMAN WE.1974; HERPETOLOGICA; E.U.; DA. 1974; VOL. 30; NO 2; PP. 105-112; BIBL. 13REF.Article

THE SYSTEMATIC STATUS AND LIFE HISTORY OF HYLA RHODOPEPLA GUENTHER = POSITION SYSTEMATIQUE ET BIOLOGIE D'H.R. G.DUELLMAN WE.1972; HERPETOLOGICA; E.U.; DA. 1972; VOL. 28; NO 4; PP. 369-375; BIBL. 12 REF.Serial Issue

AN EXTRAORDINARY NEW CASQUE-HEADED MARSUPIAL FROG (HYLIDAE: GASTROTHECA)TRUEB L; DUELLMAN WE.1978; COPEIA; USA; DA. 1978; NO 3; PP. 498-503; BIBL. 6 REF.Article

PHYLOGENY OF PLEURODEMA (ANURA: LEPTODACTYLIDAE): A BIOGRAPHIC MODEL.DUELLMAN WE; VELOSO A.1977; OCCAS. PAPERS MUS. NAT. HIST. UNIV. KANSAS; U.S.A.; DA. 1977; NO 64; PP. 1-46; ABS. ESP.; BIBL. 4 P.Serial Issue

DESCRIPTION OF A NEW SPECIES OF MICROHYLID FROG, CHIASMOCLEIS, FROM ECUADORWALKER CF; DUELLMAN WE.1974; OCCAS. PAPERS MUS. RAT. HIST. UNIV. KANSAS; U.S.A.; DA. 1974; NO 26; PP. 1-6; ABS. ESP.; BIBL. 3REFArticle

A NEW FROG OF THE GENUS PTYCHOHYLA (HYLIDAE) FROM THE SIERRA DE LAS MINAS, GUATEMALADUELLMAN WE; CAMPBELL JA.1982; HERPETOLOGICA; ISSN 0018-0831; USA; DA. 1982; VOL. 38; NO 3; PP. 374-380; BIBL. 6 REF.Article

THE ELEUTHERODACTYLUS OF THE AMAZONIAN SLOPES OF THE ECUADORIAN ANDES (ANURA: LEPTODACTYLIDAE)LYNCH JD; DUELLMAN WE.1980; MISC. PUBL.-UNIV. KANS., MUS. NAT. HIST.; ISSN 0075-5028; USA; DA. 1980; NO 69; PP. 1-86; BIBL. 2 P.Article

A NEW MARSUPIAL FROG (HYLIDAE: GASTROTHECA) FROM THE ANDES OF ECUADORDUELLMAN WE; PYLES RA.1980; OCCAS. PAP. MUS. NAT. HIST., UNIV. KANSAS; ISSN 0091-7958; USA; DA. 1980; NO 84; 13 P.; ABS. SPA; BIBL. 11 REF.Serial Issue

ANURANS OF THE LOWER RIO LLULLAPICHIS, AMAZONIAN PERU: A PRELIMINARY ANALYSIS OF COMMUNITY STRUCTURETOFT CA; DUELLMAN WE.1979; HERPETOLOGICA; USA; DA. 1979; VOL. 35; NO 1; PP. 71-77; BIBL. 8 REF.Article

NEW SPECIES OF TREE FROGS (FAMILY HYLIDAE) FROM THE ANDES OF COLOMBIA AND ECUADORDUELLMAN WE; ALTIG R.1978; HERPETOLOGICA; USA; DA. 1978; VOL. 34; NO 2; PP. 177-185; BIBL. 3 REF.Article

AGGRESSIVE BEHAVIOR IN A CENTROLENID FROG, WITH COMMENTS ON TERRITORIALITY IN ANURANS.DUELLMAN WE; SAVITZKY AH.1977; HERPETOLOGICA; E.U.; DA. 1977; VOL. 32; NO 4; PP. 401-404; BIBL. 10 REF.Article

ACOUSTIC RESOURCE PARTITIONING IN ANURAN COMMUNITIESDUELLMAN WE; PYLES RA.1983; COPEIA; ISSN 0045-8511; USA; DA. 1983; NO 3; PP. 639-649; BIBL. 21 REF.Article

A NEW SPECIES OF ELEUTHERODACTYLUS (ANURA: LEPTODACTYLIDAE) FROM THE CORDILLERA ORIENTAL OF COLOMBIA.DUELLMAN WE; SIMMONS JE.1977; PROC. BIOL. SOC. WASHINGTON; U.S.A.; DA. 1977; VOL. 90; NO 1; PP. 60-65; BIBL. 2 REF.Article

SPECIATION IN FROGS OF THE HYLA PARVICEPS GROUP IN THE UPPER AMAZON BASINDUELLMAN WE; CRUMP ML.1974; OCCAS. PAPERS MUS. NAT. HIST. UNIV. KANSAS; U.S.A.; DA. 1974; NO 23; PP. 1-40; ABS. ESP.; BIBL. 2PArticle

NEW SPECIES OF SALAMANDERS, GENUS BOLITOGLOSSA, FROM PANAMAWAKE DB; BRAME AH JR; DUELLMAN WE et al.1973; CONTRIB. SCI.; U.S.A.; DA. 1973; NO 248; PP. 1-19; ABS. ESP.; BIBL. 6 REF.Serial Issue

Patterns of species diversity in anuran amphibians in the American tropicsDUELLMAN, W. E.Annals of the Missouri Botanical Garden. 1988, Vol 75, Num 1, pp 79-104, issn 0026-6493Article