"E-Learning" - History of use in books
Google Ngram Viewer is an interesting tool that allows you to chart the rise and fall of a term's usage in books over the last five hundred years. After you enter a word or phrase (up to five words), the tool displays a graph charting how frequently your term has appeared in books over that half a millennium. By default, the Ngram Viewer taps into books written in English. But you can change that to a different “corpus” or category of books, such as American English, British English, English Fiction, Chinese, French, German, Russian, or Spanish.
So when did the term "elearning" start appearing in books? According to Google Ngram-1996