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The birds of eastern Pennsylvania and New Jersey, with introductory chapters on geological distribution and migration
- "The birds of eastern Pennsylvania and New Jersey, with introductory chapters on geological distribution and migration"@en
- "The birds of eastern Pennsylvania and New Jersey"@en
- "The birds of eastern Pennsylvania and New Jersey with introductory chapters on geographical distribution and migration"@en
- "The birds of eastern Pennsylvania and New Jersey with introductory chapters on geographical distribution and migration, prepared under the direction of the Delaware Ornithological Club"@en
- "The birds of eastern Pennsylvania and New Jersey with introductory chapters on geological distribution and migration"@en
- "Birds of eastern pennsylvania and new jersey"
- "The birds of eastern Pennsylvania and New Jersey : with introductory chapters on geographical distribution and migration"@en
- "The birds of eastern Pennsylvania and New Jersey : with introductory chapters on geographical distribution and migration, prepared under the direction of the Delaware Ornithological Club"@en