Dr. Ali Nourai, "An Etymological Dictionary of Persian, English and Other Indo-European Languages: Etymological Charts" 2013 | pages: 884 | ISBN: 1479785466 | PDF | 22,9 mb
Henryk Jankowski, "A Historical-Etymological Dictionary of Pre-Russian Habitation Names of the Crimea" English | 2006 | ISBN: 9004154337 | DJVU | pages: 1298 | 19.4 mb
The Words of Mathematics: An Etymological Dictionary of Mathematical Terms Used in English By Steven Schwartzman 1996 | 270 Pages | ISBN: 0883855119 | PDF | 3 MB