by PORTER; DAVID E
Year of Publication 05.11.1996

by PORTER; DAVID E
Year of Publication 14.11.1978

by PORTER; DAVID E
Year of Publication 11.11.1975

by PORTER DAVID E
Year of Publication 24.10.1922

by PORTER DAVID E
Year of Publication 11.10.1921

by FEDDERN, MARK H, PORTER, DAVID E, TOWNSEND, GREG L, POKORNEY, JAMES L, WILSON, SCOTT R, SIEVERT, CHESTER E., JR, FARRIS, JOHN P, MCMAHON, BRIAN T
Year of Publication 13.11.2007

by FERRIS, JOHN, P, SIEVERT, CHESTER, E., JR, WILSON, SCOTT, R, PORTER, DAVID, E, TOWNSEND, GREG, L, MCMAHON, BRIAN, T, POKORNEY, JAMES, L, FEDDERN, MARK, H
Year of Publication 15.03.2007

by FERRIS, JOHN, P, SIEVERT, CHESTER, E., JR, WILSON, SCOTT, R, PORTER, DAVID, E, TOWNSEND, GREG, L, MCMAHON, BRIAN, T, POKORNEY, JAMES, L, FEDDERN, MARK, H
Year of Publication 14.02.2007

by WEBER; JOHN F, MOORE; MICHAEL RICHARD YOUNG, PORTER; DAVID E, GREAVES; PAUL E
Year of Publication 16.02.1999

by FERRIS, JOHN, P, SIEVERT, CHESTER, E., JR, WILSON, SCOTT, R, PORTER, DAVID, E, TOWNSEND, GREG, L, MCMAHON, BRIAN, T, POKORNEY, JAMES, L, FEDDERN, MARK, H
Year of Publication 03.01.2001

by FARRIS; JOHN P, SIEVERT, JR.; CHESTER E, MCMAHON; BRIAN T, PORTER; DAVID E, FEDDERN; MARK H, TOWNSEND; GREG L, WILSON; SCOTT R, POKORNEY; JAMES L
Year of Publication 23.05.2000

by FEDDERN, MARK H, PORTER, DAVID E, TOWNSEND, GREG L, POKORNEY, JAMES L, WILSON, SCOTT R, SIEVERT, CHESTER E., JR, FARRIS, JOHN P, MCMAHON, BRIAN T
Year of Publication 16.09.1999

by FERRIS, JOHN, P, SIEVERT, CHESTER, E., JR, WILSON, SCOTT, R, PORTER, DAVID, E, TOWNSEND, GREG, L, MCMAHON, BRIAN, T, POKORNEY, JAMES, L, FEDDERN, MARK, H
Year of Publication 16.09.1999

by PORTER-BENNETT; DAVID E
Year of Publication 05.07.1983