Outdoor recreation in American lifeH. Ken Cordell, Carter J. Betz, J. M. Bowker, Donald B. K. English, Shela H. Mou, John C. Bergstrom, R. Jeff Teasley, Michael Tarrant, John Loomis · First published 1999Open the Tome
Making elementary science apparatusMichael Kenyon Bowker, Michael K. Bowker, A.R.D. Hunt · First published 1968Open the Tome
