The Online Books Page is an index of e-text books available on the Internet. It is edited by John Mark Ockerbloom and is hosted by the library of the University of Pennsylvania. The Online Books Page lists over 18,000 books, and has several features, such as A Celebration of Women Writers and Banned Books Online.
... ph, b, bh, m)
It also has four semivowels: y, r, l, v. All of these but r have nasalized forms. Sanskrit also has palatal, retroflex, and alveolar sibilants. ...