PHILADELPHIA — Freeman’s spring auction season is led by an American Furniture, Folk and Decorative Arts auction scheduled for Tuesday, May 3, and a Books and Manuscripts auction taking place Wednesday, May 4. From manuscripts and documents to silver, furniture, art and design objects, these two sales bring the best of early American culture, politics and artistic production to market. Absentee and Internet live bidding for both sales will be available through LiveAuctioneers.