Study of a Fallen Tree (from sketchbook) David Johnson This sketchbook, donated to mark the seventy-fifth anniversary of the American Wing, dates from the decade of Johnsons maturity as a landscape painter. It augments the Museums collection of American landscape sketchbooks by such well-known Hudson River School artists as Asher B. Durand, Albert Bierstadt, Jervis McEntee, John Casilear, and the Philadelphia landscape painter William Trost Richards. In this book, started while Johnson kept a studio at 626 Broadway during the 1860s, the artist recorded several Hudson River settings.. Study of a Fallen Tree (from sketchbook). David Johnson (American, New York 1827-1908 Walden, New York). American. Graphite on off-white wove paper