>>4,8
This would have prevented the desecration of the book:
© 1996 by The Massachusetts Institute of Technology. All Rights Reserved.
However, for proselytization, the CC BY-ND 4.0 license [1] would be more appropriate. The existing CC BY-SA 4.0 license [2] is a grave danger because it encourages heresy and schisms. Scheme must remain the sole liturgical language of SICP.
[1]: https://creativecommons.org/licenses/by-nd/4.0/
[2]: https://creativecommons.org/licenses/by-sa/4.0/