Dufwa, Arne (1985). Trafik, broar, tunnelbanor, gator [Traffic, Bridges, Subways, Streets]. Stockholms tekniska historia 1 [Stockholm's Technical History [volume] 1] (in Swedish). Stockholm, Sweden: Liber Förlag. ISBN91-38-08725-1.
Generalplaneberedningens tunnelbanekommitté [Master Planning Committee Subway [Sub]Committee] (1965). "Tunnelbaneplan för Stor-Stockholm" [Metro Plan for Greater Stockholm] (PDF) (in Swedish).