This book demonstrates both the limits and unique role of non statutory controls in a world that demands a flexible administrative response that might be overly constrained by rigid statutes. It also explains that nature and impact of congressional involvement through non statutory controls.Originally published 1969.A UNC Press Enduring Edition -- UNC Press Enduring Editions use the latest in digital technology to make available again books from our distinguished backlist that were previously out of print. These editions are published unaltered from the original, and are presented in affordable paperback formats, bringing readers both historical and cultural value.