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Uber die nordwestliche Zugscheide des Weiben Storchs / Von Ernst Schüz.
by Schüz, Ernst, 1901-1991. Material type:  Book Publisher: [S.l.] : [s.n.], [1962?]Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.3-19 SCH] (1).
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Ett fall av omvänd flyttning i april 1955 / Bengt Danielsson.
by DANIELSSON, Bengt. Material type: Book Publisher: [S.l.] : [s.n.], [1956?]Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2-19 DAN] (1).
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The migrations of British Warblers (Sylviidae) as shown by the results of rincing / A. Landsborough Thomson, C.B., D.Sc.
by Thomson, Arthur Landsborough, 1890-1977. Material type: Book Publisher: [S.l.] : [s.n.], [19--?]Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.8-19 LAN] (1).
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An analysis of recoveries of Great Skuas ringed in Shetland / A. Landsborough Thomson.
by Thomson, Arthur Landsborough, 1890-1977. Material type: Book Publisher: [S.l.] : [s.n.], [1966?]Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2-19 LAN] (1).
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De trek van de kleine gele Kwikstaart : Motacilla flava L. / Door J. Spaepen.
by SPAEPEN, J. Material type: Book Publisher: [S.l.] : [s.n.], [195-?]Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.8-19 SPA] (1).
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Migration of the Skylark, Alauda arvensis L. / By J. Spaepen and F. Van Cauteren.
by SPAEPEN, J. Material type: Book Publisher: [S.l.] : [s.n.], [1962?]Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2-19 SPA] (1).
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Recoveries of Woodlarks, Lullula Arborea (L.) / By J. Spaepen and F. Van Cauteren.
by SPAEPEN, J. Material type: Book Publisher: [S.l.] : [s.n.], 1961Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.8-19 SPA] (1).
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Derde jaaverslag van het vogeltrekstation Noorderkempen, retie 1962 / J. Spaepen.
by SPAEPEN, J. Material type: Book Publisher: [S.l.] : [s.n.], [1963?]Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2-19 SPA] (1).
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Jaaverslag voor 1961 van het Vogeltrekstation Nooderkempen, Retie / J. Spaepen.
by SPAEPEN, J. Material type: Book Publisher: [S.l.] : [s.n.], [196-?]Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2-19 SPA] (1).
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Migration of the Skylark : Alauda arvensis (New results) / J. Spaepen and F. Van Cauteren.
by SPAEPEN, J. Material type: Book Publisher: [S.l.] : [s.n.], [1968?]Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2-19 SPA] (1).
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Stokkanda som trekkfugl og jaktojekt / Av Martin T. Anfinnsen.
by ANFINNSEN, Martin T. Material type: Book Publisher: [S.l.] : [s.n.], [1964?]Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.4-19 ANF] (1).
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Om gronnsisikens (Carduelis spinus) trekk / Av A. Bernhoft-Osa.
by Bernhoft Osa, A. Material type: Book Publisher: [S.l.] : [s.n.], 1964Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.8-19 BER] (1).
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Uber die Zugscheiden des Weibstorchs in Afrika, Ukraine und Asien / Von Ernst Schüz.
by Schüz, Ernst, 1901-1991. Material type: Book Publisher: [S.l.] : [s.n.], [1963?]Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.3-19 SCH] (1).
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Migration of Teal ringed in the Netherlands / By W. J. Wolff.
by WOLFF, W. J. Material type: Book Publisher: [The Netherlads? : [Nederlandse Ornithologische Unie], [1966 imp.] (Leiden], [1966 imp.]Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.8-19 WOL] (1).
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Ringmerkingsresultater for sanloper / Av Anne-Marie Grimeland.
by GRIMELAND, Anne Marie. Material type: Book Publisher: [Stavanger : [s.n.], [1967?]Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2-19 GRI] (1).
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Migration en Espagne des Minioptères français / Par E. Balcells R.
by Balcells i Rocamora, Enrique, 1922-2007. Material type: Book Publisher: [S.l.] : [s.n.], [19--?]Availability: Items available for loan: Biblioteca Aranzadi [Call number: 599.4-19 BAL] (1).
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Liste commentée des Oiseaux bagués repris en Tunisie / Par M. Arnould, J. Catoni et R. Deleur.
by ARNOULD, M. Material type: Book Publisher: [S.l.] : [s.n.], [1954?]Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2-19 ARN] (1).
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Baguage d'oiseaux migrateurs au Cap Bon / Par M. Arnould ... [et.al.]. Material type: Book Publisher: [S.l.] : [s.n.], [1954?]Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2-19 BAG] (1).
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Sobre paso y alimentación del aguilucho cenizo (Circus pygargus) en el NW. de España / [Javier Castroviejo].
by Castroviejo Bolibar, Javier. Material type: Book Publisher: [S.l.] : [s.n.], [1968?]Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.9-19 CAS] (1).
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