The Principio Company
Subtitle: iron-making in Colonial Maryland, 1720-1781
By: by Michael Warren Robbins
Published: 1980
Language: eng
Number of pages: 344
Subjects: Iron industry and trade; History; Principio Company
Notes: Photocopy of typescript. Ann Arbor : University Microfilms, 1980.--21 cm.

Thesis--George Washington University.

Bibliography: leaves 332-344.