Gauss's works are primarily available in German, but English translations exist for some of his key texts. The "Disquisitiones Arithmeticae" and his work on differential geometry can be found on Amazon, with options for both affordable and premium editions. Additionally, Spivak's "A Comprehensive Introduction" includes a chapter on how to read Gauss, which may be helpful for those studying his work. For those seeking free access, it is noted that the copyright for some of Gauss's works has expired, allowing for legal downloads. Overall, there are various resources available for accessing Gauss's writings in English.
