DOCUMENTS IN REFERENCE TO THE GENERAL ADOPTION OF THE TWENTY-FOUR HOUR NOTATION OF THE RAIL-WAYS OF

NEW YORK TUNNEL EXTENSION, THE PENNSYLVANIA RAILROAD

PROCEEDINGS

PROCEEDINGS OF THE AMERICAN SOCIETY OF C (PB)

PROCEEDINGS OF THE AMERICAN SOCIETY OF C (PB)

PROCEEDINGS OF THE AMERICAN SOCIETY OF C (PB)

PROCEEDINGS OF THE AMERICAN SOCIETY OF C (PB)

PROCEEDINGS OF THE AMERICAN SOCIETY OF C (PB)

PROCEEDINGS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, VOLUME 22

PROCEEDINGS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, VOLUME 25

PROCEEDINGS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, VOLUME 26, PART 1

PROCEEDINGS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, VOLUME 28, PART 1

PROCEEDINGS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, VOLUME 28, PART 2

PROCEEDINGS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, VOLUME 29, PART 1

PROCEEDINGS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, VOLUME 29, PART 2

PROCEEDINGS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, VOLUME 30, PART 1

PROCEEDINGS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, VOLUME 31, PART 1

PROCEEDINGS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, VOLUME 31, PART 2 (PB)

PROCEEDINGS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, VOLUME 33, PART 2

PROCEEDINGS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, VOLUME 33, PART 2

PROCEEDINGS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, VOLUME 34, PART 1

PROCEEDINGS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, VOLUMES 1-2

PROCEEDINGS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, VOLUMES 3-5

PROCEEDINGS VOLUME V.15

PROCEEDINGS VOLUME V.21

PROCEEDINGS VOLUME V.28

SOME THINGS IN AND ABOUT BUFFALO; A SOUVENIR OF THE ANNUAL CONVENTION OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS HELD AT BUFFALO, N.Y., JUNE 10-13, 1884

TRANSACTIONS OF THE AMERICAN SOCIETY OF (HB)

TRANSACTIONS OF THE AMERICAN SOCIETY OF (HB)

TRANSACTIONS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS

TRANSACTIONS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS

TRANSACTIONS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS

TRANSACTIONS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS

TRANSACTIONS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS (HB)

TRANSACTIONS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS (HB)

TRANSACTIONS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS VOLUME 54

TRANSACTIONS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS VOLUME 61

TRANSACTIONS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS VOLUME 63

TRANSACTIONS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, VOLUME 11

TRANSACTIONS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, VOLUME 22

TRANSACTIONS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, VOLUME 26

TRANSACTIONS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS, VOLUME 73

TRANSACTIONS OF THE INTERNATIONAL ENGINEERING CONGRESS, 1915 ...

TRANSACTIONS OF THE INTERNATIONAL ENGINEERING CONGRESS, 1915 ...