The insolvent shall forthwith deliver to the assignee or receiver all his assets; including all vouchers, notes, bonds, bills, securities or other evidences of debt, documents, muniments of title, and writings in any way relating to, or having any bearing upon or connection with his estate; all books of account, patents, copyrights, assignments, leases, agreements, and generally, everything which relates to the assets, or will assist the assignee or receiver in collecting the same, or in ascertaining the true amount due to the creditors of the estate.
39 P.S. § 44