42. 版画鉴赏家(1905) by John Sloan 高清作品[20%] 材质 :Etching 尺寸 :34.3 × 37.5 × 2.5 cm Print 版画鉴赏家(1905)-约翰斯隆(American, 1871–1951)英文名称:Connoisseurs of Prints (1905)-John Sloan
43. 生物医学实验室的生物危害和伤害控制原则` Principles of biohazard and injury control for the biomedical laboratory (1975) by National Institutes of Health 高清作品[20%] 图片文件尺寸: 2100 x 3186px 生物医学实验室的生物危害和伤害控制原则-美国国立卫生研究院~ Principles of biohazard and injury control for the biomedical laboratory (1975) --National Institutes of Health (美国艺术家, 1887-)
44. 基于原则,2020年 by Craig Alan 高清作品[20%] 材质 :Acrylic on canvas 尺寸 :121.9 × 152.4 cm Painting 图片文件尺寸 : 5630 x 4332px 基于原则,2020年-克雷格·艾伦(American, b. 1971)英文名称:Grounded in Principles, 2020-Craig Alan
45. 排除原则(n.d.) by Joseph Cornell 高清作品[20%] 材质 :Wood, glass, paperboard with dye, color reproductions on paper, paper with dye, and graphite 尺寸 :40 × 32.4 cm Drawing, Collage or other Work on Paper 排除原则(n.d.)-柯内尔(American, 1903–1972)英文名称:The Exclusion Principle (n.d.)-Joseph Cornell
46. 阐明原则(2021年) by Ricardo Villa 高清作品[20%] 材质 :Collage of excerpts from Friedrich Engels book on paper 尺寸 :130 × 130 cm Drawing, Collage or other Work on Paper 阐明原则(2021年)-李加度·维拉(Brazilian, b. 1982)英文名称:Articulando princípios (2021)-Ricardo Villa
47. 托德内斯原则(2017) by Hanie Delecroix 高清作品[20%] 材质 :Acrylic on paper 尺寸 :50 × 65 cm Painting 托德内斯原则(2017)-哈尼·德莱克罗瓦(French-Iranian, b. 1974)英文名称:Principe du tendresse (2017)-Hanie Delecroix
48. 宅地原则(2013) by Sarah Hardacre 高清作品[20%] 材质 :3 colour hand pulled photo silk screen print on Somerset Tub Sized Satin 410 gsm. Signed, titled and dated by the artist. 尺寸 :100 × 70 cm Print 宅地原则(2013)-莎拉·哈达克(British, b. 1986)英文名称:The Homestead Principle (2013) | Available for Sale-Sarah Hardacre
49. 管弦乐池——老普罗克托的第五大道`The Orchestra Pit - Old Proctor\'s Fifth Avenue 高清作品[20%] 图片文件尺寸: 9000×8010 px 管弦乐池——老普罗克托的第五大道-
50. 鉴赏家II(2014) by Stephanus Heidacker 高清作品[20%] 材质 :Oil on paper 尺寸 :105.4 × 83.8 × 1.9 cm Painting 鉴赏家II(2014)-斯蒂芬斯·海德克(German, b. 1959)英文名称:Connoisseur II (2014) | Available for Sale-Stephanus Heidacker