The Open Group 
The TOGAF® Standard, 10th Edition – Architecture Development Method [PDF ebook] 

Summary This document is a compilation of three documents within the TOGAF® Standard. It has been developed and approved by The Open Group, and is part of the TOGAF Standard, 10th Edition.
The three documents in this set are:
• The TOGAF Standard — Architecture Development Method
This document describes the TOGAF Architecture Development Method (ADM) — an iterative approach to developing an Enterprise Architecture.
• The TOGAF Standard — ADM Techniques
This document contains a collection of techniques available for use in applying the TOGAF approach and the TOGAF ADM.
• The TOGAF Standard — Applying the ADM
This document contains guidelines for adapting the TOGAF ADM to address the specific style of architecture required in a practical context.

The TOGAF Standard is intended for Enterprise Architects, Business Architects, IT Architects, Data Architects, Systems Architects, Solution Architects, and anyone responsible for the architecture function within an organization.