Simplified English - Simplified English is a method of writing based on a controlled vocabulary. Since includes information on users and implementation and includes examples. - http://www.simplifiedenglish.net/
Ogden's Basic English - Information on the constructed language created by Charles Kay Ogden. - http://www.basiceng.com/basiceng.html
Basic English and Grammatical Reform - This 1937 pamphlet describes and justifies Basic (a simplfied English), written Charles K. Ogden. - http://www.crockford.com/wrrrld/begr.html