district                incumbent       party  first elected                   result                                          candidates
0   pennsylvania 4              herman toll  democratic           1958             re - elected   herman toll (d) 64.1% james r cavanaugh (r) 35.9%
1   pennsylvania 7  william h milliken , jr  republican           1958  retired republican hold  george watkins (r) 51.1% leonard bachman (d) 48.9%
2   pennsylvania 9             paul b dague  republican           1946             re - elected     paul b dague (r) 57.7% john a o'brien (d) 42.3%
3  pennsylvania 20          elmer j holland  democratic           1956             re - elected    elmer j holland (d) 74.4% ronald bryan (r) 25.6%
4  pennsylvania 23         albert w johnson  republican           1963             re - elected     albert w johnson (r) 54.9% john still (d) 45.1%
5  pennsylvania 25            frank m clark  democratic           1954             re - elected         frank m clark (d) 70.3% john loth (r) 29.7%

Table as JSON:
{"district":{"0":"pennsylvania 4","1":"pennsylvania 7","2":"pennsylvania 9","3":"pennsylvania 20","4":"pennsylvania 23","5":"pennsylvania 25"},"incumbent":{"0":"herman toll","1":"william h milliken , jr","2":"paul b dague","3":"elmer j holland","4":"albert w johnson","5":"frank m clark"},"party":{"0":"democratic","1":"republican","2":"republican","3":"democratic","4":"republican","5":"democratic"},"first elected":{"0":1958,"1":1958,"2":1946,"3":1956,"4":1963,"5":1954},"result":{"0":"re - elected","1":"retired republican hold","2":"re - elected","3":"re - elected","4":"re - elected","5":"re - elected"},"candidates":{"0":"herman toll (d) 64.1% james r cavanaugh (r) 35.9%","1":"george watkins (r) 51.1% leonard bachman (d) 48.9%","2":"paul b dague (r) 57.7% john a o'brien (d) 42.3%","3":"elmer j holland (d) 74.4% ronald bryan (r) 25.6%","4":"albert w johnson (r) 54.9% john still (d) 45.1%","5":"frank m clark (d) 70.3% john loth (r) 29.7%"}}