Electrician and Mechanic (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Electrician and Mechanic" in Spanish language version.

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Severance, Henry Ormal; Charles Harper Walsh (abril de 1908). Guide to the Current Periodicals and Serials of the United States and Canada - 1909 (2nd edición). p. 115.
Gates, Alice Jane (1915). Catalogue of Technical Periodicals, Libraries in the City of New York and Vicinity. Library board of the United engineering society. p. 68. ."
Catalog of Copyright Entries. Part 2: Periodicals. Library of Congress, Copyright Office. July–December 1906. pp. 25, 66. Title was Bubier's Popular Electrician in June 1906 (Vol. 16, No. 6) and Electrician and Mechanic in July 1906 (Vol. 17, No. 1).
Class Of 1898 (junio de 1913). Harvard College Class of 1898: Quindecennial Report. p. 113.
«Table of Contents». Electrician and Mechanic (Sampson Publishing) 26 (2): p. 69. febrero de 1913.
Catalog of Copyright Entries. Part 2: Periodicals. Library of Congress, Copyright Office. January–December 1914.