Whitelocke's diary entry reporting that Kristina has gone to Västerås to talk with Karl Gustav about her/his/their abdication plan (which she/he/they persists in) and the treaty with Whitelocke, February 22/March 4 (Old Style), 1654

Source:

A journal of the Swedish ambassy, in the years M.DCC.LIII. and M.DCC.LIV., volume 1, pages 452 and 455, Bulstrode Whitelocke, 1772

https://www.google.com/books/edition/A_Journal_of_the_Swedish_Ambassy/gPFMAAAAMAAJ?hl=en&gbpv=1&dq=A+journal+of+the+Swedish+embassy+Bulstrode+Whitelocke,+1772&printsec=frontcover

The entry:

The queen went to Westraas to conferre with the prince about the buisnes of her abdication, and (some thought) also about the present treaty with Whitelocke.

... Whitelocke visited Piementelle, who told him, that the queen persisted in her purpose of abdication.

Above: Kristina.

Above: Bulstrode Whitelocke.