by SOPKO, JOHN FRANK, TRAFFORD, PA., US, POSTUPACK, DENNIS SYLVESTER, NATRONA HEIGHTS, PA., US
Year of Publication 04.07.1991

by SMITH, TIMOTHY, COTTON, JOHN, W, MATHIS, TIMOTHY, G, POSTUPACK, DENNIS, S, LOVELACE, JOE, B, SHIVERS, JAMES, V, MAKITKA, HARRY, HANVEY, CURTIS, L., JR, WATKINS, E., CHARLES, BOUR, THOMAS, C, DEGREVE, STANLEY, C
Year of Publication 17.01.1996

by SMITH, TIMOTHY, COTTON, JOHN, W, MATHIS, TIMOTHY, G, POSTUPACK, DENNIS, S, LOVELACE, JOE, B, SHIVERS, JAMES, V, MAKITKA, HARRY, HANVEY, CURTIS, L., JR, WATKINS, E., CHARLES, BOUR, THOMAS, C, DEGREVE, STANLEY, C
Year of Publication 13.11.1995

by PRESSAU, JEAN PIERRE, EVANS CITY, PA. 16033, US, GRAHAM, CHARLES RICHARD, GLENSHAW, PA. 15116, US, POSTUPACK, DENNIS SYLVESTER, NATRONA HEIGHTS, PA. 15165, US
Year of Publication 22.12.1994

by SMITH, TIMOTHY, COTTON, JOHN, W, MATHIS, TIMOTHY, G, POSTUPACK, DENNIS, S, LOVELACE, JOE, B, SHIVERS, JAMES, V, MAKITKA, HARRY, HANVEY, CURTIS, L., JR, WATKINS, E., CHARLES, BOUR, THOMAS, C, DEGREVE, STANLEY, C
Year of Publication 13.10.1994

by SMITH, TIMOTHY, DEGREVE, STANLEY C, COTTON, JOHN W, WATKINS, E. CHARLES, BOUR, THOMAS C, POSTUPACK, DENNIS S, SHIVERS, JAMES V, LOVELACE, JOE B, MATHIS, TIMOTHY G, HANVEY, CURTIS L. JR, MAKITKA, HARRY
Year of Publication 13.10.1994

by MAKITKA; HARRY, POSTUPACK; DENNIS S, SHIVERS; JAMES V, MATHIS; TIMOTHY G, HANVEY, JR.; CURTIS L, BOUR; THOMAS C, COTTON; JOHN W, SMITH; TIMOTHY, WATKINS; E. CHARLES, DEGREVE; STANLEY C, LOVELACE; JOE B
Year of Publication 04.10.1994

by DENNIS S. POSTUPACK, JAMES W. KOEWING, GERARD J. BURGER, R. ALLEN ROACH
Year of Publication 29.11.1999

by CHARLES RICHARD GRAHAM, JEAN PIERRE PRESSAU, DENNIS SYLVESTER POSTUPACK
Year of Publication 29.11.1988

by DENNIS SYLVESTER POSTUPACK ET JOHN FRANK SOPKO
Year of Publication 06.08.1982

by DENNIS SYLVESTER POSTUPACK ET JOHN FRANK SOPKO
Year of Publication 13.02.1981

by JOHN FRANK SOPKO, DENNIS SYLVESTER POSTUPACK
Year of Publication 27.07.1990

by THOMAS GEORGE KOZINSKI, JEAN PIERRE PRESSAU, DENNIS SYLVESTER POSTUPACK, JAMES S. KENWORTHY
Year of Publication 24.12.1985