Protection of migratory birds.

Migratory Bird Treaty.
Published: (1929)

Migratory-bird refuges.
Published: (1924)

Proposed regulations for the protection of migratory birds ...
Published: (1913)

Protection of migratory birds.
Published: (1918)

Protection of migratory game and insectivorous birds in United States.
Published: (1913)

Protection and propagation of migratory birds. Enforcement of migratory bird treaty with Great Britain.
Published: (1928)

Explanation of the proposed regulations for the protection of migratory birds ...
Published: (1913)

Celebrating International Migratory Bird Day.
Published: (2005)

What exactly is International Migratory Bird Day?
Published: (2000)

Neotropical Migratory Bird Conservation Act : report (to accompany S. 148).
Published: (1999)

Neotropical Migratory Bird Conservation Act : report (to accompany S. 148).
Published: (1999)

Neotropical Migratory Bird Conservation Act : report (to accompany S. 1970).
Published: (1998)

Neotropical Migratory Bird Conservation Act : report (to accompany S. 1970).
Published: (1998)

Protecting and conserving the halibut fisheries.
Published: (1917)

Establishment of migratory bird refuges.
Published: (1926)

Migratory Bird Convention with Japan : report (to accompany H.R. 10942).
Published: (1974)

Migratory bird protocol with Canada and migratory bird protocol with Mexico : report (to accompany Treaty docs. 104-28 and 105-26).
Published: (1997)

Migratory bird protocol with Canada and migratory bird protocol with Mexico : report (to accompany Treaty docs. 104-28 and 105-26).
Published: (1997)

Amending section 2 of Migratory Bird Conservation Act.
Published: (1968)

Migratory bird protection in North America ; the history of control by the United States federal government and a sketch of the treaty with Great Britain
by: Phillips, John C. (John Charles), 1876-1938
Published: (1934)

Birds protected in Canada under the Migratory Birds Convention Act.
Published: (1970)

What exactly is International Migratory Bird Day?.
Published: (2005)

Neotropical Migratory Bird Conservation Act : report, together with dissenting views (to accompany H.R. 39).
Published: (1999)

Neotropical Migratory Bird Conservation Act : report, together with dissenting views (to accompany H.R. 39).
Published: (1999)

Protection of Migratory Birds : hearings before the United States House Committee on Agriculture, Sixty-Second Congress, second session, on Mar. 6, 1912.
Published: (1912)

Protocol Amending the 1916 Convention with Canada for the Protection of Migratory Birds : Message from the President.
Published: (1980)

Protection of Migratory Birds : hearings before the United States Senate Committee on Forest Reservations and the Protection of Game, Sixty-Second Congress, second session, on Mar. 6, 1912.
Published: (1912)

Migratory bird law case.
by: Cheatham, Elliott E. (Elliott Evans), 1888-1972
Published: (1916)

Migratory bird hunting stamps.
Published: (1958)

Establishing shooting grounds, game refuges, and breeding grounds for protecting migratory birds.
Published: (1921)

Establishing shooting grounds, game refuges, and breeding grounds for protecting migratory birds.
Published: (1924)

Migratory birds regulations = Le règlement sur les oiseaux migrateurs.
Published: (1993)

To protect migratory game and insectivorous birds of the United States.
Published: (1912)

Urban Conservation Treaty for Migratory Birds : making cities better for birds.
Published: (2003)

Neotropical Migratory Bird Conservation Act.
Published: (2001)

Protection of Migratory Birds. <Part 1 : hearings before the United States House Committee on Foreign Affairs, Sixty-Fourth Congress, second session, on Feb. 3, 1917.
Published: (1917)