Look before you leap [microform], or, A few hints to such artizans, mechanics, labourers, farmers and husbandmen, as are desirous of emigrating to America, being a genuine collection of letters, from persons who have emigrated; containing remarks, notes and anecdotes, political, philosophical, biographical and literary, of the present state, situation, population, prospects and advantages, of America, together with the reception, success, mode of life, opinions and situation, of many characters who have emigrated, particularly to the federal city of Washington.