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• An essay on matter: in five chapters Author(s): Ledyard, Isaac, 1754-1803; Rush, Benjamin, 1746-1813; Ledyard, Isaac, 1754-1803, publisher Date: 1784 Subject(s): Natural Science Disciplines

• Humboldt's life and character: an address before the Linnaean Association of Pennsylvania College, delivered at the annual commencement, September 14, 1859 Author(s): Stillé, Alfred, 1813-1900; Pennsylvania College. Linnaean Association Date: 1859 Subject(s): Humboldt, Alexander von, 1769-1859.; Natural Science Disciplines

• A summary, historical and political, of the first planting, progressive improvements, and present state of the British settlements in North-America Author(s): Douglass, William, ca. 1700-1752; Rogers, Gamaliel, 1704-1775, printer; Fowle, Daniel, 1715-1787, printer Date: 1749-1752 Subject(s): Colonialism; Natural Science Disciplines; Smallpox; Social Sciences

• A summary, historical and political, of the first planting, progressive improvements, and present state of the British settlements in North-America. (Volume 1) Author(s): Douglass, William, ca. 1700-1752; Rogers, Gamaliel, 1704-1775, printer; Fowle, Daniel, 1715-1787, printer Date: 1749-1752 Subject(s): Colonialism; Natural Science Disciplines; Smallpox; Social Sciences

• A summary, historical and political, of the first planting, progressive improvements, and present state of the British settlements in North-America. (Volume 2) Author(s): Douglass, William, ca. 1700-1752; Rogers, Gamaliel, 1704-1775, printer; Fowle, Daniel, 1715-1787, printer Date: 1749-1752 Subject(s): Colonialism; Natural Science Disciplines; Smallpox; Social Sciences

An essay on matter: in five chapters

Subject: Natural Science Disciplines

Humboldt's life and character: an address before the Linnaean Association of Pennsylvania College, delivered at the annual commencement, September 14, 1859

Subject: Humboldt, Alexander von, 1769-1859.

A summary, historical and political, of the first planting, progressive improvements, and present state of the British settlements in North-America

Subject: Colonialism

A summary, historical and political, of the first planting, progressive improvements, and present state of the British settlements in North-America. (Volume 1)

Subject: Colonialism

A summary, historical and political, of the first planting, progressive improvements, and present state of the British settlements in North-America. (Volume 2)

Subject: Colonialism