Recent studies of Charmonium Decays at CLEO

Recent results on Charmonium decays are reviewed which includes two-, three- and four-body decays of ${\chi }_{cJ}$ states, observations of Y(4260) through $\pi \pi J\mathrm{/}\psi$ transitions, precise measurements of $M(D^0)$, $M(\eta )$ as well as $\mathcal{B}(\eta \to X)$.