Corporate Membership$100.00 – $1,000.00 Choosing email delivery will only affect letter mailings. The Westchester Historian will always be sent by regular mail. Corporate Membership Choose an option$100$200$300$500$1,000 Mailing Options Choose an optionemailPrintClear Corporate Membership quantity Add to cart SKU: N/A Category: Membership in the Westchester County Historical Society