Josiah Henson 
Uncle Tom’s Story of His Life [PDF ebook] 
An Autobiography of the Rev. Josiah Henson (Mrs. Harriet Beecher Stowe’s "Uncle Tom"); From 1789 to 1876; With a Preface

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. The letter which you sent for the Queen through Lord Shaftesbury has been placed in the Queen’s hands.