"A Little Bit of Stata Programming Goes A Long Way," from Christopher Baum at Boston College (.pdf)
"Getting Started in Data Analysis Using Stata and R," by Oscar Torres-Reyna, Princeton University
"Introduction to Stata," by Germán Rodríguez, Princeton University
"Frequently Asked Questions," from the Stata Corporation
"Resources for Learning Stata," from the Stata Corporation
"Resources to Help you Learn and Use Stata," from UCLA's Academic Technology Services
"A SAS User's Guide to Stata," from the UNC Carolina Population Center
"Stata Classes and Seminars," from UCLA's Academic Technology Services
"Stata Cheat Sheets," from the "Fundamentals of Data Analysis and Visualization" Project
"A Stata Tutorial," from the UNC Carolina Population Center
"Welcome to the Online Stata Tutorial at DSS," by Oscar Torres-Reyna, Princeton University