IHE Technical Framework White Paper: A SOA View of IHE Profiles, Integrating Healthcare Enterprises (IHE), Joshua Painter (Intel Corporation), Alean Kirnak (Software Partners LLC), John Moehrke (GE Healthcare), Sept 2009

A Practical Guide for SOA in Healthcare, Health Services Specifications Project (HSSP - HL7 - OMG), Ken Rubin, Alan Honey, Rich Rogers, et al., 2008, version 1.0

Service Oriented Architecture Demystified: A pragmatic approach to SOA for the IT executive (IT Best Practices Series) by Girish Juneja, Blake Dournaee, Joe Natoli, and Steve Birkel

SOA for HL7 Methodology, committee final working document on SOA for HL7, 2006

Economist, October 25, 2008, "Creating the cumulus "

An Overview of the Id Governance Framework Version 1.0 of the Liberty Alliance Project

National Strategy for Trusted Identities in Cyberspace, June 25, 2010