Tulsa-Celle-Partnership Newsletters The Tulsa-Celle-Partnership newsletter is usually published every quarter or as needed. It is sent via E-mail using the MailChimp application to members and friends of the Partnership. Our past newsletters can be accessed here by clicking on the links and/or downloading any of the files listed below. Contact us at Tulsa.Celle@gmail.com to either have your name added or removed from the overall mailing list. You may also use the options available at the bottom of the Newsletter to unsubscribe from the Newsletter specifically.