1. Alfred S. Wall, 1825–1896, Late Autumn in the Woods, n.d., Oil on canvas mounted on board, Gift of the Westmoreland Society and the Women’s Committee in Honor of their 50th Anniversary Year, 2010.14.

2. Jasper Holman Lawman, 1825–1906,Trout Stream Landscape, 1876, Oil on canvas, Estate of Paul Winschel, In Memory of Jean Mertz Winschel, 1971.30

3. William Coventry Wall, 1811–1886, Winter Landscape with Deer, n.d., Oil on board, The Four Walls Collection: Gift of Betty Jane McWilliams, Ph.D., 2008.276

4. William Coventry Wall, 1811–1886, Spring Landscape (Spring Landscape with Cattle), n.d., Oil on canvas, The Four Walls Collection: Gift of Betty Jane McWilliams, Ph.D., 2008.273

5. William Coventry Wall, 1811–1886, Scene at Lockport, Westmoreland County, Pennsylvania, 1871, Oil on canvas, Gift of the William A. Coulter Fund, 1983.72

6. William Coventry Wall, 1811–1886, Fall Landscape, n.d., Oil on canvas, The Four Walls Collection: Gift of Betty Jane McWilliams, Ph.D., 2008.274

7. William Coventry Wall, 1811–1886, River Scene, Sunset, n.d., Oil on canvas, Gift of Mr. and Mrs. John Robertshaw, 1981.29

8. Alfred Bryan Wall, 1861–1935, Shepherdess with Sheep and Child, n.d., Oil on canvas, Museum Purchase, 1980.89

9. William Coventry Wall, 1811–1886, On the Monongahela, 1860, Oil on canvas, Gift of Dr. and Mrs. Robert J. Hudson, 1976.9

10. Alfred Bryan Wall, 1861–1935, Shepherd and His Flock, c. 1900, Oil on canvas mounted on board, Gift of Mr. and Mrs. John Barclay, Jr., 1959.57

11. William Coventry Wall, 1811–1886, Scene on the Kiskiminetas, 1860, Oil on canvas, Gift of the Dr. James D. Maxwell Memorial Fund, 1977.44

12. William Coventry Wall, 1811–1886, Landscape with Letter, n.d., Oil on canvas mounted on Masonite, Bequest of Dr. Betty Jane McWilliams, 2015.106

13. William Coventry Wall, 1811–1886, Pennsylvania River Scene, 1867, Oil on canvas mounted on Masonite, Bequest of Dr. Betty Jane McWilliams, 2015.197

14. Alfred Bryan Wall, 1861–1935, Christmas Greeting (Figure with Sheep), 1919, Oil on panel, Bequest of Dr. Betty Jane McWilliams, 2015.103

15. William Coventry Wall, 1811–1886, Sketchbook of Drawings, c. 1870, Pencil and gouache on paper, Gift of Mrs. James A. Shoemaker, 1999.12

16. William Coventry Wall, 1811–1886, Cottage Beside a Stream, Autumn, n.d., Oil on canvas, Museum Purchase with Partial Gift from the Thomas Lynch Fund, 1997.10

17. Bessie Wall, 1872–1939, Spring Landscape, n.d., Oil on artist’s board, Bequest of Dr. Betty Jane McWilliams, 2015.105

18. Alfred S. Wall, 1825–1896, Wash Day on the River, 1863, Oil on canvas, Bequest of Dr. Betty Jane McWilliams, 2015.104

19. George Hetzel, 1826–1899, Self-Portrait, 1850, Oil on canvas, Gift of the Western Pennsylvania Conservancy, Pittsburgh PA, from the Dorothy Kantner Estate in memory of George and Lila B. Hetzel, 1977.134

20. Alfred S. Wall, 1825–1896, Self Portrait, 1870, Oil on canvas board, The Four Walls Collection: Gift of Betty Jane McWilliams, Ph.D., 2008.266

21. Lila B. Hetzel, 1873–1967, Grouse Hanging on a Door (copy after George Hetzel), 1870, Oil on board, Gift of the Western Pennsylvania Conservancy, Pittsburgh PA, from the Dorothy Kantner Estate, in memory of George and Lila B. Hetzel, 1977.131

22. Emil Bott, 1827–1908, Beaver Falls, PA, 1854, Oil on canvas, Gift of the Thomas Lynch Fund, 1981.26

23. Alfred S. Wall, 1825–1896, Old Saw Mill, 1851, Oil on canvas, Gift of the Woods-Marchand Foundation, 1986.262

24. George Hetzel, 1826–1899, A Fowl Hanging on a Door, 1876, Oil on canvas mounted on Masonite, Gift of Mr. Anthony Picadio, by Exchange, 1997.9

25. Charles Linford, 1846–1897, Autumn Landscape, n.d., Oil on canvas, Gift in honor of Winnie and Arnold Palmer, 1995.37

26. George Hetzel, 1826–1899, Country Road, 1878, Oil on canvas, Gift in Memory of John H. Coulter by his Friends and Family, 1994.36

27. Eugene Alonzo Poole, 1841–1912, Autumn Landscape, 1905, Oil on canvas, Gift of the Estate of Carolyn Lynch and Mr. and Mrs. Paul Euwer, 1977.13

28. George Hetzel, 1826–1899, Two Boys Swimming in a Mountain Stream, 1890, Oil on canvas, Gift of Mary Marchand Woods Memorial Fund, 1986.177

29. Charles Linford, 1846–1897, Summer in the Catskills, 1887, Oil on canvas, Gift of the John Robertshaw, Jr. Family, in memory of Mr. and Mrs. John A. Robertshaw, 1983.52

30. Joseph Ryan Woodwell, 1843–1911, Old Mill, c. 1888, Oil on canvas mounted on Masonite, Gift of the Mary Marchand Woods Memorial Fund, 1959.17. Frame generously funded through Your Art Needs You! Exhibition (2013) by Mr. and Mrs. John McCaskie.

31. Joseph Ryan Woodwell, 1843–1911, Farm Scene, c. 1889, Oil on canvas mounted on Masonite, Gift of the Mary Marchand Woods Memorial Fund, 1959.15. Frame generously funded through Your Art Needs You! Exhibition (2013) by Mr. and Mrs. John McCaskie.

32. George Hetzel, 1826–1899, Two Young Fishermen in a Summer Landscape, 1867, Oil on canvas, Gift of the Westmoreland Society, 2000, 2001.8

33. Joseph Ryan Woodwell, 1843–1911, Farmhouse at Scalp Level, n.d., Oil on canvas, Gift of the Mary Marchand Woods Memorial Fund, 1959.24

34. Joseph Ryan Woodwell, 1843–1911, Book with Sketches, n.d., Oil on canvas, Gift of Mr. J.K. Woodwell and Mr. William