Henry Sirgo has written:
'Establishment of environmentalism on the U.S. political agenda in the second half of the twentieth century' -- subject(s): Ecologists, Environmentalism, Political activity, Political aspects of Environmentalism, Political ecology
Valerie Sirgo's birth name is Valerie Sirgo Morales.
Otto Sirgo was born in 1946.
Henry Raub has written: 'Henry Raub'
Henry Jenner has written: '\\'
Henry Blyde has written: 'Henry Blyth's contract'
Henry Hughes has written: 'The poems of Henry Hughes'
Henry Mavrodin has written: 'Mavrodin'
Henry A Miers has written: 'Mineralogy'
Henry Schembri has written: 'Qawmien'
Henry Johnson has written: 'Specification'
Henry Newman has written: 'Hymns'
Henry Mayer has written: 'In laughland'