One such list of British colonies, for 1924, can be found online at The British Empire. Links on the site lead to additional historical information about each of the colonies.
Another site providing a more up-to-date list of what are now known as British Overseas Territories is available at OnlineNames. The term "British Overseas Territories" was introduced in 2002. Prior to this, the title for a British colony was "British Dependent Territory" after 1981. Prior to the 1981 British Nationality Act, the countries were known as Crown colonies. As of 2014, there are 14 territories that remain under the jurisdiction of the United Kingdom.