Collection Scope From the Collection: SERIES I: Gatehouse Project (1995 – 1998) contains brochures, plans, drawings, invoices, contracts, correspondence, and research notes concerning the renovation of the Gatehouse area, including the design of the Pewabic plaque for the entry. SERIES II: Historical Research (1951 – 2002) includes items Trost collected regarding the history of Cranbrook, gardeners and gardening. Materials include newspaper clippings and drawings, but are primarily composed of Trost’s research notes....