A Tip for anyone new - to RS - To quickly find your post/threads - you can click on your screen name, then click on,
Profile Page, then click on the tab
Postings or Recent Activity
At the bottom of the page you will find these two links
Find all content by xxxxxxx (your username) This link takes you to all the post you have made
Find all threads by xxxxxxx - This link takes you to all the threads you have started.