An academic journal is definitely the type of Internet source that is most likely to provide accurate information on the history of linguistics.
You can find a lot of interesting and important information in such a journal, because it has many articles about linguistics, and surely at least one of them will be about the history of linguistics, among other things.
He is saying that each person has the right to life, liberty and the pursuit of a happy life, and that the government and rule of law should be determined by the people it governs.