* Wax tablets were dyed green in the middle ages and were replaced when the wax absorbed enough dirt to make it stiff and black.
* Pedlers sold both knives and styluses.
* Dartmouth and Plymouth were ports handling a bigger volume of trade, both cargo and pilgramage, with the continent than the eastern ports were during the later parts of the Hundred Years War.
* Many confraternities had large numbers of female members.
* Domestic and imported birds were for sale in front of Notre Dame.
* I'd forgotten how crowded with marketry the bridges in major cities are.
* I realized that the exciting dissertation discovery of the other week means that my previously somewhat arbitrary committee member is now going to be extremely useful to me.
* I might never have taken a class in medieval European economic history, but the one hour keynote lecture has largely served to remedy that lack all by itself.
* Gold made Portugal much richer than slaves did in the early modern period. Gold was much cheaper to ship - less food was required, for starters.
* The number of slaves traded as recorded in extant records isn't more than 2/3 of the total trade, since many slaves - and other goods - were given away as gifts to nobles by the crown of Portugal.
* The chief editor of The Economist evidently said in a lecture last year, in answer to a question wondering about the consistancy of voice in the Economist's articles, that first you should simplify, then exaggerate. This was a recurring theme throughout the day.