I was able to order a timer through AppliancePartsPros.com with the help of a chat with a representative.
I also watched a video presentation by a service person who was very good at showing and explaining how to install the timer. I watched the video three times. Other than dropping screws a couple of times, the installation went very well. Trying it out after the repair was very satisfying. The dryer worked fine! It took me less than 30 minutes, and I fumbled a time or two!