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The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean Sea, and the Galapagos Archipelago (v.1)
Ridgway, Robert (1850-1929); Friedmann, Herbert (1900-1987); United States National Museum
1901-1950
At head of title: Smithsonian Institution.
The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean Sea, and the Galapagos Archipelago (v.2)
Ridgway, Robert (1850-1929); Friedmann, Herbert (1900-1987); United States National Museum
1901-1950
At head of title: Smithsonian Institution.
The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean Sea, and the Galapagos Archipelago (v.3)
Ridgway, Robert (1850-1929); Friedmann, Herbert (1900-1987); United States National Museum
1901-1950
At head of title: Smithsonian Institution.
The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean Sea, and the Galapagos Archipelago (v.4)
Ridgway, Robert (1850-1929); Friedmann, Herbert (1900-1987); United States National Museum
1901-1950
At head of title: Smithsonian Institution.
The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean Sea, and the Galapagos Archipelago (v.5)
Ridgway, Robert (1850-1929); Friedmann, Herbert (1900-1987); United States National Museum
1901-1950
At head of title: Smithsonian Institution.
The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean Sea, and the Galapagos Archipelago (v.6)
Ridgway, Robert (1850-1929); Friedmann, Herbert (1900-1987); United States National Museum
1901-1950
At head of title: Smithsonian Institution.
The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean Sea, and the Galapagos Archipelago (v.7)
Ridgway, Robert (1850-1929); Friedmann, Herbert (1900-1987); United States National Museum
1901-1950
At head of title: Smithsonian Institution.
The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean Sea, and the Galapagos Archipelago (v.8)
Ridgway, Robert (1850-1929); Friedmann, Herbert (1900-1987); United States National Museum
1901-1950
At head of title: Smithsonian Institution.
The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean Sea, and the Galapagos Archipelago (v.9-10)
Ridgway, Robert (1850-1929); Friedmann, Herbert (1900-1987); United States National Museum
1901-1950
At head of title: Smithsonian Institution.
The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean Sea, and the Galapagos Archipelago (v.11)
Ridgway, Robert (1850-1929); Friedmann, Herbert (1900-1987); United States National Museum
1901-1950
At head of title: Smithsonian Institution.
Birds collected by the Childs Frick expedition to Ethiopia and Kenya colony (pts.1 & 2)
Friedmann, Herbert (1900-1987)
1930-1937
Includes bibliographical footnotes and indexes.