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Roy Luther Donahue has written:
'Estimates of fertiliser consumption in India in 1970-71 (as of April 1, 1966)' -- subject(s): Fertilizer industry
'Soils of Equatorial Africa and their revelance to rational agricultural development' -- subject(s): Soils, Africa
'Ethiopia: taxonomy, cartography, and ecology of soils' -- subject(s): Soils
'Exploring agriculture' -- subject(s): Agriculture
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What has the author Roy Howard written?
Roy Howard has written: '\\'
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Roy Wright has written: 'Memoir'
What has the author Roy McDonald written?
Roy McDonald has written: 'The answer questioned'
What has the author Roy Neily written?
Roy Neily has written: 'Rajvara : \\'
What has the author Roy Fox written?
Roy Fox has written: 'Technology'
What has the author Roy Gardner written?
Roy Gardner has written: 'Hellcatraz'
What has the author Roy Lambert written?
Roy Lambert has written: 'Make it Right!'
What has the author Roy Bryan written?
Roy Bryan has written: 'Winter lightning'
What has the author Roy Fowler written?
Roy Fowler has written: 'The film in France'
What has the author Roy Dandy written?
Roy Dandy has written: 'How your car works'
What has the author Roy Twitchin written?
Roy Twitchin has written: 'Starters' 'Primetime'
What has the author Roy Isaksson written?
Roy Isaksson has written: 'I detta nu'
