FM 3-13 Inform and Influence Activities
Provides doctrinal guidance and directions for conducting inform and influence activities (IIA) and discusses the importance of information in operational environments. It describes the Army’s view of how IIA aid the commander to gain an advantage through information. It develops the other principles, tactics, and procedures detailed in subordinate doctrinal publications.

Communicating at Home: The relevancy of IIA in the Garrison Operational Environment.
By: MAJ James Pradke (30A), Published in Infantry Magazine, Vol 102, Number 4


IO Sphere
Professional journal, published quarterly by the Joint Information Operations Warfare Center (JIOWC). Content consists of feature articles, research paper extracts, interviews, commentaries/editorials on all aspects of IO, and supporting disciplines such as intelligence.