Interview with Lucien Kroll about his architectural work, in French. They discuss the school Kroll designed with a few contemporary architects. He explains the structure of the buildings, their use and why certain elements were included, as well as the struggles faced during the conception of the project, and the cost, engineers and mathematics.

Interview with Lucien Kroll about his architectural work, in French. They discuss the school designed by Kroll, and the fact that he had been chosen to be the architect. He took into account the students' views, opinions and needs when designing the school, and he explains the different teachings and lessons in the school.

Interview with Lucien Kroll about his architectural work, in English. They discuss Kroll's architect projects, including the struggles met during the planning of one of his building projects. Sound quality poor.

Interview with Lucien Kroll about his architectural work, in French, some parts recorded outside. They discuss ecological subjects and architecture linked to ecology in the urban environment. They talk about outside lessons, in a kind of street amphitheater, and how to include nature in their buildings. Tape titled 'Kroll ecological centre christian projst & co'.

Research material relating to the Belgium architect, Lucien Kroll, collated by Blundell Jones during his research for a number of articles written on Kroll's work. Also includes correspondence between PBJ and Kroll.