SPICE and LTspice Courseware and Tutorials

Tutorial from guitar stompboxes and electronics

Adding MOSFET models

Using WAVE files as input/output in LTspice

Using LTspice as a Schematic Capture Tool for FreePCB

University of Evansville LTspice IV Library and Tutorials

UNIVERSITY of PENNSYLVANIA SPICE overview

Setting up LTspice and using models from wikiversity

SwitcherCAD III manual from Linear

LTspice Getting Started Guide from Linear

OrCAD PSpice A/D Online Manual

College Courses

College course on CMOS Mixed-Signal Design Full course, lectures, problems - LTspice examples included