Two lecture note sets on organic chemistry and mechanics, perfect for specialized study. - Title: Modern Organic Chemistry, Part 1 - Author: K.R. Volhardt, N.E. Schore - Title: Mechanics Lecture Notes - Author: Yuji Harada, Kazuaki Fujiwara, Hiroshi Takagi, Tadashi Sugimura There are some writings and markings, but they should not be a problem for studying. Thank you for looking.