Suppress Author in Notes-Bibliography Style (Chicago)?

Hello, all -

I could not find this info on this site, or in the Chicago style guides.
Is it ever appropriate to suppress author in notes-bibliography style in Chicago style?

The cases I would use this would be those where the author is mentioned in the prefix area already.

For example:

1.Kant states and discusses this principle in Lectures on Metaphysics, L2.28:544-555

instead of

2.Kant states and discusses this principle in Kant, Lectures on Metaphysics, L2.28:544-555

Another case would be a footnote/endnote citing multiple works of the same author!I would think to suppress the author name for all but the first work listed.

3.Kant, Critique of Pure Reason, Critique of Impure Reason, Critique of Impure Thoughts.

is there a rule about such usages?Thank you for any info.
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