antivirus security software

Payflow Pro - 2008 - Fraud Protection Services
User's Guide
Permissions Service - 2013
User's Guide

books

Mobile Payments Library - 2012 Android
Developer's Guide
Mobile Payments Library - 2012 Blackberry OS
Developer's Guide

gateways/controllers

Gateway - 2012
Developer's Guide
Gateway - 2013
Developer's Guide
Gateway - 2014
Developer's Guide
Virtual Terminal - 2005
User's Guide
Website Payments Pro - 2007 - HTTPS Interface
Developer's Guide

POS terminals

Virtual Terminal - 2009
User's Guide

software

Digital Goods - 2012 - EC Edition
Integration Guide
Express Checkout - 2012
Integration Guide
Express Checkout - 2013
Payflow Pro Guide
Invoicing - 2010
User's Guide
Merchant - 2005
User's Manual
Mobile Payments Library - 2012 iOS
Developer's Guide
Name-Value Pair API - 2012
Developer's Guide
Order Management - 2008
Integration Guide
Pro - 2012
Integration Guide
Sandbox - 2006
User guide
SOAP API Developer - 2012
Reference Manual
Website Payments Pro - 2007
Developer's Guide
Website Payments Pro - 2012 - Hosted Solution
Integration Guide
Website Payments Standard - 2012
Integration Guide

warranty & support extensions

Permissions Service - 2012
User's Guide