If you are registered, you get access to the members only section, can participate in the buy & sell second hand forum and last but not least you can reserve your preferred username before someone else takes it.
One of the lesser known Swedish brands is Cleo. Advertising on thick, relief paper, with sample blades. Interesting is the two razors show one that very much resembles the Merkur Double Slant.
Managed to acquire some catalogues from the Swedish Matador works. They produced blades under several brand, as wel as some pretty nice DE-razors. Here's the 1937 catalogue: