Roy O. Billett has written:
'Improving the secondary-school curriculum' -- subject(s): Curricula, Curriculum planning, Education, Secondary, Secondary Education
'Fundamentals of secondary-school teaching with emphasis on the unit method' -- subject(s): Education, Secondary, High school teaching, Secondary Education, Unit method of teaching
Roy Funch has written: 'Um guia para o visitante a Chapada Diamantina' -- subject(s): Guidebooks, Description and travel
O. A. Sergeeva has written: '\\'
O. Petrash has written: '\\'
O. Sosin has written: '\\'
O. A. Pashchenko has written: 'Rodichi'
O. Vandeputte has written: 'Dutch'
O. A. Newlin has written: 'If I were gold'
O. Wolff has written: 'Ouvrard'
O. Fedorova has written: 'Mozhaisk'
O. Carlgren has written: 'Anthozoa'
O. O. Roberts has written: 'A few hints on cholera'
Benjamin Le Roy Miller has written: 'Contribution of David O. Saylor to early history of the Portland cement industry in America' -- subject(s): Cement 'The mineral deposits of South America' -- subject(s): Mines and mineral resources