The ancient civilization of Mayans lived in Mesoamerica since 2, 600 BC and had an extremely complicated and accurate method of keeping track of time based on three separate calendars.
If you don't find a track you like through that method, the big, green plus button at the top of the page lets you search through YouTube and SoundCloud among other party sites.
You instruct your fund company (by phone or online) which shares to sell, as you would with an individual stock. (Again, make sure you get and save that confirmation.) Using this method requires you to track your cost for each block of shares, including those purchased with reinvested distributions.