"NPS D-97A"--P. [3] of cover."August 1995."Shipping list no.: 96-0049-P.Includes bibliographical references (p. 73-80).Mode of access: Internet
Shipping list no.: 2003-0207-P.Distributed to some depository libraries in microfiche."Printed for t...
"NPS D-24"--P. 28."January 1989"--P. 28.Shipping list no.: 89-135-P.Bibliography: p. 27.Mode of acce...
Shipping list no.: 95-0024-P.Includes bibliographical references and index.Mode of access: Internet
Shipping list no.: 95-0203-P.Includes bibliographical references (p. [6]).Mode of access: Internet
Shipping list no.: 94-0250-P."NPS D-94"--P. [3] of Cover."May 1994.""Southwestern Pennsylvania Herit...
"NPS D-3"--P. [3] of cover."July 1994."Shipping list no.: 94-0345-P.Includes bibliographical referen...
"NPS D-96"--P. [3] of cover."August 1994."Shipping list no.: 94-0346-P.At head of title: Study of al...
"August 1994."Shipping list no.: 94-0285-P."Historic resource study."Includes bibliographical refere...
"July 12, 2000."Shipping list no.: 2000-0324-P.Distributed to some depository libraries in microfich...
"March 17, 1999."Shipping list no.: 99-0184-P.Distributed to some depository libraries in microfiche...
"NPS D-2A"--SUPP.Chiefly maps (SUPP.)"September 1992."Shipping list no.: 93-0042-P (SUPP.)Shipping l...
"Serial no. 104-8."Shipping list no.: 95-0243-P.Distributed to some depository libraries in microfic...
"February 11, 1990."Shipping list no.: 99-0169-P.Distributed to some depository libraries in microfi...
Shipping list no.: 92-0604-P.Cover title.Includes bibliographical references (p. 111-123).Mode of ac...
"Serial no. 103-78."Shipping list no.: 95-0089-P.Distributed to some depository libraries in microfi...
Shipping list no.: 2003-0207-P.Distributed to some depository libraries in microfiche."Printed for t...
"NPS D-24"--P. 28."January 1989"--P. 28.Shipping list no.: 89-135-P.Bibliography: p. 27.Mode of acce...
Shipping list no.: 95-0024-P.Includes bibliographical references and index.Mode of access: Internet
Shipping list no.: 95-0203-P.Includes bibliographical references (p. [6]).Mode of access: Internet
Shipping list no.: 94-0250-P."NPS D-94"--P. [3] of Cover."May 1994.""Southwestern Pennsylvania Herit...
"NPS D-3"--P. [3] of cover."July 1994."Shipping list no.: 94-0345-P.Includes bibliographical referen...
"NPS D-96"--P. [3] of cover."August 1994."Shipping list no.: 94-0346-P.At head of title: Study of al...
"August 1994."Shipping list no.: 94-0285-P."Historic resource study."Includes bibliographical refere...
"July 12, 2000."Shipping list no.: 2000-0324-P.Distributed to some depository libraries in microfich...
"March 17, 1999."Shipping list no.: 99-0184-P.Distributed to some depository libraries in microfiche...
"NPS D-2A"--SUPP.Chiefly maps (SUPP.)"September 1992."Shipping list no.: 93-0042-P (SUPP.)Shipping l...
"Serial no. 104-8."Shipping list no.: 95-0243-P.Distributed to some depository libraries in microfic...
"February 11, 1990."Shipping list no.: 99-0169-P.Distributed to some depository libraries in microfi...
Shipping list no.: 92-0604-P.Cover title.Includes bibliographical references (p. 111-123).Mode of ac...
"Serial no. 103-78."Shipping list no.: 95-0089-P.Distributed to some depository libraries in microfi...
Shipping list no.: 2003-0207-P.Distributed to some depository libraries in microfiche."Printed for t...
"NPS D-24"--P. 28."January 1989"--P. 28.Shipping list no.: 89-135-P.Bibliography: p. 27.Mode of acce...
Shipping list no.: 95-0024-P.Includes bibliographical references and index.Mode of access: Internet