Subseries IV: Agreements, 1884-1925, undated

Files in this subseries largely pertain to real estate transactions and investments in in various companies. Exceptions to this include an agreement with F.J. Osterling for renovations at Clayton, and contracts for utilities at Clayton and the Frick Building. A bound record of agreements filed at the beginning of the subseries provides details such as the parties involved, pertinent dates (i.e. expiration, payment, renewal, cancellation, etc.), a synopsis, and the location where related documentation.

Numbered agreements are filed first, followed by unnumbered agreements in alphabetical order.