On-line library with an impressive collection of books on various subjects including psychiatry , psychology and social sciences . Registration is fairly simple process: http://library.nu/search?q=Psychiatry

Psychiatry (UI Family Practice Handbook): http://www.vh.org/Providers/ClinRef/FPHandbook/15.html, 

Emergency Psychiatry Service Handbook (Univ. IA): http://www.vh.org/Providers/Lectures/EmergencyMed/Psychiatry/TOC.html. 

Psychiatry Notebook : http://www.fpnotebook.com/PSY.htm,= they are back without a password,

Psychiatric Disorders (Merck): http://www.merck.com/pubs/mmanual/section15/sec15.htm,

Psychiartry : http://www.emedicine.com/med/PSYCHIATRY.htm, from - Medicine, Ob/Gyn, Psychiatry, and Surgery (emedicine): http://www.emedicine.com/med/contents.htm,

The Beth Israel Deaconess Medical Center Medical Housestaff Manual (Psychiatry):http://home-dev.caregroup.org/UG_manual/Psychiatry.htm,

The Beth Israel Deaconess Medical Center Medical Housestaff Manual / Neurology >Mini Mental Status Exam: http://home-dev.caregroup.org/UG_manual/Mini%20Mental.htm, 

Neuroscience Tutorial (An illustrated guide to the essential basics of clinical neuroscience created in conjunction with the first-year course for medical students):http://thalamus.wustl.edu/course/, 

Introduction to Psychopharmacology: http://parsons.umaryland.edu/classes/nurs402/pharm/tsld001.htm,

General Online Textbook on: Psychotherapy/Psychological Self-Help:http://mentalhelp.net/psyhelp/

Listen to free self help audiobooks while you browse: http://www.broadcast.com/audiobooks/Self_Help/,

Aviation Psychiatry: http://www.vnh.org/FSManual/06/SectionTop.html, 
(you need to download in order to read: http://www.vnh.org/FSManual/AviationPsych.pdf, )