The texts available in the 'astrology' section of the scientific and
academic texts in the Swedish Diachronic Corpus are listed below:

 Arvid Trolle: Himmelstecken och dagar	    1440--1460
 Himmelstecknen och månader  	 	    1440--1500
 Himmelstecken 	     	 	 	    1450--1500
 Månaderna och Himmelstecknen 	   	    1500--1525


If you want to know more about the Swedish Diachronic Corpus, the
following SweClarin reports may be of interest: 

SCR-03-2019
Towards a Swedish diachronic corpus: Intended content, structure and format of version 1.0
Eva Pettersson & Lars Borin
url: https://sweclarin.se/sites/sweclarin.se/files/outline-swedish-corpus.pdf

SCR-02-2019
Swedish diachronic texts: Resources and user needs to consider in a Swedish diachronic corpus
Eva Pettersson & Lars Borin
url: https://sweclarin.se/sites/sweclarin.se/files/swedish-historical-texts_3.pdf

SCR-01-2019
Characteristics of diachronic and historical corpora: Features to consider in a Swedish diachronic corpus
Eva Pettersson & Lars Borin
url: https://sweclarin.se/sites/sweclarin.se/files/diachronic-corpora-sweclarin-v3.pdf