I’m developing the site substantially over the coming year. While this is happening, some of the navigation is probably going to be a bit haphazard. You’ll find some pages using the main menu bar near the top of the page and the sub-menu on the left. Others from the links under “Categories” in the sidebar on the right. I recommend you looking under both as they don’t link to the same pages. You can also use the search facility. I’m sorry for the inconvenience. At the moment, my priority is to get the information online somewhere as soon as possible. Streamlining navigation will take longer.