Linked from
The 15 pages that link to Boltzmann's entropy formula, each with the reason it gives.
EntropyRelated: It gives the direct link between entropy and the number of accessible arrangements.
Boltzmann distributionRelated: It connects the distribution's state counting to entropy.
Boltzmann equationRelated: The equation’s H-theorem links distribution evolution to entropy change.
Planck postulateRelated: Planck used Boltzmann’s statistical method in deriving the radiation law.