Robert A. Hackenberg has written:
'Aboriginal land use and occupancy' -- subject(s): Tohono O'Odham Indians
'The poverty explosion' -- subject(s): Income, Population, Social classes
'Demographic responses to development' -- subject(s): Demographic transition, Human Fertility, Population
Kurt Hackenberg has written: 'Vom Theater in Wuppertal' -- subject(s): Theater 'A visit to London'
Karl Hackenberg's birth name is Karl Louis Hackenberg.
Robert Beck has written: 'Robert Beck'
Robert Organ has written: 'Robert Organ'
Robert Grosvenor has written: 'Robert Grosvenor'
Robert Ferrandini has written: 'Robert Ferrandini'
Robert Macpherson has written: 'Robert Macpherson'
Robert Mangold has written: 'Robert Mangold'
Robert Ridgway has written: 'Robert Ridgway'
Robert Bechtle has written: 'Robert Bechtle'
Robert Keayne has written: 'The apologia of Robert Keayne'
Robert Gwathmey has written: 'Robert Gwathmey' 'Gwathmey'