Ross: on the genesis of the Trend of Economics there is an entire set of Tugwell correspondence among the Dorfman papers at Columbia. You might find the info concerning Wolfe there -- although I don't think the talk you mention was ever published. Something that might interest you. Knight's contribution to the Trend of Economics, as he wrote to Mitchell, was intended to be ?a presentation of the claims of the old-fashioned theory as against institutional economics.? I am sure you are familiar with this passage. When I was doing research on this, however, I also bumped into another letter of Knight in which he wrote Tugwell that he might have withdrawn from the projected volume if WH Hamilton would have been among the contributors... Luca Fiorito