1020 pages. The catalogue of the 22nd International Salon of Cartoons (Montreal Canada) is one of thickest books in my collection. Compared with some other catalogues of the contest, the 1985 species is obvious THE thickest, but other years publications aren't thin at all. The competition started in 1964 and ended probably in 1988 was the last year of this memorable contest. There is a list of the winners on WittyWorld. I couldn't find more info on the internet.
The catalogues are in black and white. Many famous cartoonists were selected for the catalogue over the years...
Some nice cartoons I found in the 22nd edition: