https://books.google.com.sv/books?id=cG570mijBF4C&printsec=copyright&hl=es&source=gbs_pub_info_r
A History of the Habsburg Empire, 1526-1918 - Robert A. Kann - Google Libros
"An impressive achievement in a task of extraordinary difficulty...The outstanding asset of this work does not consist in in its comprehensiveness and...
a historyof thehabsburg empirerobertkann