University of Jerusalem. n.d. Retrieved August 29, 2024. "Stockholm kn, KATTHAVET 5 SYNAGOGAN". Bebyggelseregistret (BeBR) (in Swedish). September 30, 1991...

Other historical lakes, like Packartorgsviken and its interior part Katthavet, were filled with mud and equally repulsive. Other lakes still present...

Packartorgsviken became gradually smaller and swampier, and was colloquially called Katthavet ("The Cat Sea"), with Katt alluding to something small and false (i.e...