How can I find some information about the past & present uses of thyme?
You can find information on this through books at COM Library or through an internet search.
To find books, follow the link to WorldCat below and search for su:herbs. The library has several books on herbs that contain information about the uses of thyme.
You can also use a search engine like google to find more information about the herb. Searches such as health benefits of thyme or historical uses of thyme will retrieve many relevant links, though you will have to determine whether or not the information in the linked sites is accurate.