Matches in DBpedia 2014 for { ?s ?p Robert Thomas Orr (17 August 1908 – 23 June 1994) was an American biologist known for his work as a zoologist and natural historian.. }
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- Robert_T._Orr abstract "Robert Thomas Orr (17 August 1908 – 23 June 1994) was an American biologist known for his work as a zoologist and natural historian.".
- Robert_T._Orr comment "Robert Thomas Orr (17 August 1908 – 23 June 1994) was an American biologist known for his work as a zoologist and natural historian.".