Modest observations : on the present extraordinary frost: containing I. A brief description thereof, and its natural celestial causes inquired into. II. An account of the most eminent frosts that have happen'd for many hundred years past, and what followed thereupon. III. Philosophical presages of what may be feared now to ensue, viz. scarcity of corn and victuals, general sicknesses, and pestilences in the next, or within some very few succeeding years; with cautionary preventions. IV. The cries of the poor; and an easy way proposed how there may be twenty thousand pounds a week, at least, raised for their relief, about London, and all wanting people plentifully provided for, during this and the like hard seasons, yet no man be a penny the worse in his estate