None of the records preserved at the Treasury Department presents all of the evidence required for the scientific study of a single state. Nearly one-third of the operations were at the Treasury and of these only a meager fragment seems to have escaped the ravages of time . In the documents of some of the commonwealths, however, it is possible to ascertain the names of hundreds of patriots who risked their money in original certificates or received certificates for services rendered. The book of a few loan offices are so kept that it can be easily discovered who brought I securities to be funded into the new debt and also to whom these securities were originally issued.