https://books.google.ie/books?id=v_lKAAAAYAAJ&pg=PT140&lpg=PT140&dq=callaghan+crookhaven&source=bl&ots=4n1AkRs-nb&sig=KUU01nGIA-NpkSwqGA-tEkMa3jE&hl=en&sa=X&ved=0ahUKEwikydG1qujRAhVGchQKHXCJDOsQ6AEILjAJ#v=onepage&q=callaghan%20crookhaven&f=false