Proposals, for printing by subscription, miscellaneous collections, from the papers of the late Major-General Charles Lee : consisting of I.--Pieces on various political and military subjects. II.--Letters to the general from several persons of the first character, both in Europe and America. III.--Letters from the general to his friends in Europe, before the late war: and also to the principal American characters, both civil and military, during his command in the Continental Army: to which are prefixed memoirs of his life. ...