L. A. Bauer1865 – 1932BooksOcean magnetic and electric observations, 1915-1921The magnetic work of the Galilee, 1905-1908Terrestrial magnetism and atmospheric electricityHalley's earliest equal variation chartBeiträge zur Kenntniss des Wesens der Säcular-Variation des ErdmagnetismusThe earth's magnestismAuthor data: Open Library