Books by Guillermo F. Hall Aviles:
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Hall Aviles, Guillermo F. (Guillermo Franklin), 1866-1940: Poco a Poco: An Elementary Direct Method for Learning Spanish (Yonkers-on-Hudson, NY: World Book Co., 1919), illust. by C. F. Arcieri (multiple formats at archive.org)- Hall Aviles, Guillermo F. (Guillermo Franklin), 1866-1940: Teacher's Manual for Poco a Poco, an Elementary Direct Method for Learning Spanish (Yonkers-on-Hudson, NY: World Book Co., 1919) (page images at HathiTrust)
Additional books by Guillermo F. Hall Aviles in the extended shelves:
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Hall Aviles, Guillermo F. (Guillermo Franklin), 1866-1940: All Spanish method : first and second books = Método directo para aprender el español (World Book Co., 1927) (page images at HathiTrust)- Hall Aviles, Guillermo F. (Guillermo Franklin), 1866-1940: All Spanish method : first and second books = Método directo para aprender el español (World Book Co., 1923) (page images at HathiTrust)
- Hall Aviles, Guillermo F. (Guillermo Franklin), 1866-1940: All Spanish method, first[-second book] método directo para aprender el español (World book company, 1917) (page images at HathiTrust)
- Hall Aviles, Guillermo F. (Guillermo Franklin), 1866-1940: All Spanish method : método directo para aprender el español (World Book Company, 1914) (page images at HathiTrust)
- Hall Aviles, Guillermo F. (Guillermo Franklin), 1866-1940: All Spanish method : second book = Método directo para aprender el español (World Book Co., 1917) (page images at HathiTrust)
- Hall Aviles, Guillermo F. (Guillermo Franklin), 1866-1940: Conversaciones españolas. (The Author, 1899) (page images at HathiTrust; US access only)
- Hall Aviles, Guillermo F. (Guillermo Franklin), 1866-1940: Poco a poco ... (World Book Co., 1918) (page images at HathiTrust)
- Hall Aviles, Guillermo F. (Guillermo Franklin), 1866-1940: Poco a poco; an elementary direct method for learning Spanish (World book company, 1917) (page images at HathiTrust; US access only)
- Hall Aviles, Guillermo F. (Guillermo Franklin), 1866-1940: Poco a poco; an elementary direct method for learning Spanish (World Book Company, 1922) (page images at HathiTrust)
- Hall Aviles, Guillermo F. (Guillermo Franklin), 1866-1940: Poco a poco; an elementary direct method for learning Spanish (World Book Co., 1921) (page images at HathiTrust)
- Hall Aviles, Guillermo F. (Guillermo Franklin), 1866-1940: Teacher's manual for all Spanish method short course. A manual and direct method for learning Spanish (World Book Company, 1927) (page images at HathiTrust)
- Hall Aviles, Guillermo F. (Guillermo Franklin), 1866-1940: Teaching languages, why & how of the direct method ([n.p., 1924) (page images at HathiTrust; US access only)
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