โ Scribed by Dr. Jay K. Hackett, Dr. Richard H. Moyer, Dr. JoAnne Vasquez, Mulugheta Teferi, Dinah Zike, Kathryn LeRoy , Dr. Dorothy J. T. Terman, Dr. Gerald F. Wheeler, Bank Street College of Education (program authors), Dr. Sally Ride, Lucille Villegas Barrera, Dr. Stephen F. Cunha, American Museum of Natural History (contributing authors), Ellen Grace (contributing writer)
No coin nor oath required. For personal study only.
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