65
documents ::
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Helmerich Payne website
Tulsa World bio on Peggy Helmerich
FEC Filing 11931906689
FEC Filing 12952313611
FEC Filing 21020062431
FEC Filing 20020362611
FEC Filing 20020422078
FEC Filing 20020060696
FEC Filing 20035533257
FEC Filing 20036600848