2026-04-19T20:44:21Z

Orr, Ed.

Title:

Astronomers : moulders of American history.

Call Number:

P11740

Date:

1935

Description:

Typescript.

Subject Personal:

Mason, Charles, 1730-1787., Dixon, Jeremiah, 1733-1779.

Subject Geographic:

Mason-Dixon Line., Pennsylvania--Boundaries--Maryland., Maryland--Boundaries--Pennsylvania.

All:

Maryland--Boundaries--Pennsylvania., Mason, Charles, 1730-1787., Pennsylvania--Boundaries--Maryland., Mason-Dixon Line., Dixon, Jeremiah, 1733-1779.