Wirth Law Office – Bartlesville is a firm devoted to serving the legal needs of Bartlesville and Washington County, Oklahoma, in the same tradition that our original Tulsa office does. Attorney, Peter J. Knowles, licensed in both Kansas and Oklahoma, heads up the office. If you are looking for attorneys and lawyers in Bartlesville, call Peter J. Knowles at the Wirth Law Office – Bartlesville. read full review »