I need around 1000 high quality University documents (slides of courses, exams, essays, exercises, solved exercises, scanned notes), possibly pdf format, about mathematics, mechanics (all topics), electronics (all topics), computer engineering, telecommunications engineering, physics, chemistry,....
Documents' language must be english.
PLEASE NOTE: DOCUMENTS MUST BE WITHOUT ANY COPYRIGHT PROTECTION AND ANY SIGNATURE
I need to know which University they come from, which course and (possibly) which professor.
I can give further information to those interested.