International Law Research Guide

Definitions of Soft Law

Soft law is used to describe principles or rules that aspire to law, but are not yet widely agreed to be part of international law . They are principles or rules that are often followed by states in practice, but where the practice is not consistent enough, widespread enough, or merely enough to argue that the rule in question has become customary international law or is a general principle of law. Soft law is very much a creation of publicists writing about international law. - Doebbler, Curtis F. J.

Books on the Concept of Soft Law

Sources of Soft Law

Guidelines and other documents from Intergovernmental Organizations (IGOs)
What are IGO's?

Inter-Governmental organizations (IGOs) are organizations made up of more than one national government. The national governments are the members. Since the adoption of the ICJ statute in 1946, a wide variety of Inter-Governmental Organizations (IGOs) have created important international law texts. Examples include:

Since the adoption of the ICJ statute in 1946, a wide variety of Inter-Governmental Organizations (IGOs) have created important international law texts.

Inter-Governmental organizations (IGOs) are organizations made up of more than one national government. The national governments are the members.

Examples include:

This is a nonexhaustive list, providing access to some sources of soft law promulgated by IGOs.

The International Documents Taskforce (IDTF) of the American Library Association (ALA) have created a Google Custom Search Engine (CSE) that allows you to search international law topics by keyword across hundreds of IGO websites. 

Historical Research