IUCN/SSC Canid Specialist Group ( Claudio Sillero). "Grey wolf Canis lupus". International Union for the Conservation of Nature - Canid Specialist Group.
Sardella, Raffaele; Bertè, Davide; Iurino, Dawid Adam; Cherin, Marco; Tagliacozzo, Antonio (2014). "The wolf from Grotta Romanelli (Apulia, Italy) and its implications in the evolutionary history of Canis lupus in the Late Pleistocene of Southern Italy". Quaternary International. 328–329: 179–195. Bibcode:2014QuInt.328..179S. doi:10.1016/j.quaint.2013.11.016.
Wayne et al. 1992. Wayne, Robert K.; Lehman, Niles; Allard, Marc W.; Honeycutt, Rodney L. (1992). "Mitochondrial DNA variability of the gray wolf: genetic consequences of population decline and habitat fragmentation on genetic variability". Conservation Biology. 6 (4): 559–69. doi:10.1046/j.1523-1739.1992.06040559.x.
Zeira, O.; Briola, C.; Konar, M.; Plonek, M.; Papa, V. (2013). "Clinical and diagnostic imaging findings in an Italian wolf (Canis lupus italicus) with discospondylitis". Journal of Zoo and Wildlife Medicine. 44 (4): 1086–9. doi:10.1638/2013-0007R1.1. PMID24450075.
Anzidei et al. 2012. Anzidei, Anna Paola; Bulgarelli, Grazia Maria; Catalano, Paola; Cerilli, Eugenio; Gallotti, Rosalia; Lemorini, Cristina; Milli, Salvatore; Palombo, Maria Rita; Pantano, Walter; Santucci, Ernesto (2012). "Ongoing research at the late Middle Pleistocene site of La Polledrara di Cecanibbio (central Italy), with emphasis on human–elephant relationships". Quaternary International. 255: 171–187. Bibcode:2012QuInt.255..171A. doi:10.1016/j.quaint.2011.06.005.
Matsumura, Shuichi; Inoshima, Yasuo; Ishiguro, Naotaka (2014). "Reconstructing the colonization history of lost wolf lineages by the analysis of the mitochondrial genome". Molecular Phylogenetics and Evolution. 80: 105–12. Bibcode:2014MolPE..80..105M. doi:10.1016/j.ympev.2014.08.004. PMID25132126.
Montana, Luca; Caniglia, Romolo; Galaverni, Marco; Fabbri, Elena; Randi, Ettore (2017). "A new mitochondrial haplotype confirms the distinctiveness of the Italian wolf (Canis lupus) population". Mammalian Biology - Zeitschrift für Säugetierkunde. 84: 30–34. Bibcode:2017MamBi..84...30M. doi:10.1016/j.mambio.2017.01.005.
Boudadi-Maligne, Myriam (2012). "Une nouvelle sous-espèce de loup (Canis lupus maximus nov. Subsp.) dans le Pléistocène supérieur d'Europe occidentale [A new subspecies of wolf (Canis lupus maximus nov. subsp.) from the upper Pleistocene of Western Europe]". Comptes Rendus Palevol. 11 (7): 475–484. doi:10.1016/j.crpv.2012.04.003.
Sardella, Raffaele; Bertè, Davide; Iurino, Dawid Adam; Cherin, Marco; Tagliacozzo, Antonio (2014). "The wolf from Grotta Romanelli (Apulia, Italy) and its implications in the evolutionary history of Canis lupus in the Late Pleistocene of Southern Italy". Quaternary International. 328–329: 179–195. Bibcode:2014QuInt.328..179S. doi:10.1016/j.quaint.2013.11.016.
Anzidei et al. 2012. Anzidei, Anna Paola; Bulgarelli, Grazia Maria; Catalano, Paola; Cerilli, Eugenio; Gallotti, Rosalia; Lemorini, Cristina; Milli, Salvatore; Palombo, Maria Rita; Pantano, Walter; Santucci, Ernesto (2012). "Ongoing research at the late Middle Pleistocene site of La Polledrara di Cecanibbio (central Italy), with emphasis on human–elephant relationships". Quaternary International. 255: 171–187. Bibcode:2012QuInt.255..171A. doi:10.1016/j.quaint.2011.06.005.
Matsumura, Shuichi; Inoshima, Yasuo; Ishiguro, Naotaka (2014). "Reconstructing the colonization history of lost wolf lineages by the analysis of the mitochondrial genome". Molecular Phylogenetics and Evolution. 80: 105–12. Bibcode:2014MolPE..80..105M. doi:10.1016/j.ympev.2014.08.004. PMID25132126.
Montana, Luca; Caniglia, Romolo; Galaverni, Marco; Fabbri, Elena; Randi, Ettore (2017). "A new mitochondrial haplotype confirms the distinctiveness of the Italian wolf (Canis lupus) population". Mammalian Biology - Zeitschrift für Säugetierkunde. 84: 30–34. Bibcode:2017MamBi..84...30M. doi:10.1016/j.mambio.2017.01.005.
Zeira, O.; Briola, C.; Konar, M.; Plonek, M.; Papa, V. (2013). "Clinical and diagnostic imaging findings in an Italian wolf (Canis lupus italicus) with discospondylitis". Journal of Zoo and Wildlife Medicine. 44 (4): 1086–9. doi:10.1638/2013-0007R1.1. PMID24450075.
Matsumura, Shuichi; Inoshima, Yasuo; Ishiguro, Naotaka (2014). "Reconstructing the colonization history of lost wolf lineages by the analysis of the mitochondrial genome". Molecular Phylogenetics and Evolution. 80: 105–12. Bibcode:2014MolPE..80..105M. doi:10.1016/j.ympev.2014.08.004. PMID25132126.
Cagnolaro, L.; Comincini, M.; Martinoli, A.; Oriani, A. (9–10 October 1992). Dati Storici sulla Presenza e su Casi di Antropofagia del Lupo nella Padania Centrale [Historical data on the presence and cases of anthropophagy of the wolf in central Padania]. atti del convegno nazionale "Dalla parte del lupo" (in Italian). Parma: Atti & Studi del WWF Italia. pp. 1–160. Archived from the original on 9 November 2013. Retrieved 2 May 2014,F. Cecere (a cura di), 1996, Cogecstre Edizioni{{cite conference}}: CS1 maint: postscript (link)
Cagnolaro, L.; Comincini, M.; Martinoli, A.; Oriani, A. (9–10 October 1992). Dati Storici sulla Presenza e su Casi di Antropofagia del Lupo nella Padania Centrale [Historical data on the presence and cases of anthropophagy of the wolf in central Padania]. atti del convegno nazionale "Dalla parte del lupo" (in Italian). Parma: Atti & Studi del WWF Italia. pp. 1–160. Archived from the original on 9 November 2013. Retrieved 2 May 2014,F. Cecere (a cura di), 1996, Cogecstre Edizioni{{cite conference}}: CS1 maint: postscript (link)