Sociology of Rulership and Religion is a book written by Maximilian Weber, a German economist and sociologist.
 The original edition was in German.
 The book examines the hierarchic structures in religion and how these relate to political theories of governance and economics.
Victor Hugo Green (November 9, 1892 – 1960) was an African American postal employee from Harlem, New York City, best known for developing and writing what became known as "The Green Book," a travel guide for African Americans in the United States.
 During the time the book was published, choices of lodging, restaurants and even gas stations were limited for black people in many places, including outside the South.
 It was first published as "The Negro Motorist Green Book" and later as "The Negro Travelers' Green Book".
 The books were published from 1936 to 1966.
 Green reviewed hotels and restaurants that did business with African Americans during the time of Jim Crow laws and racial segregation in the United States.
 He printed 15,000 copies each year.
Monroe Nathan Work (August 15, 1866–May 2, 1945) was an American sociologist who founded the Department of Records and Research at the Tuskegee Institute in 1908 and expanded its national reputation.
 With much of his career he strove to advance credibility to the anti-lynching campaigns and the National Negro Health Week movement.
 His chief works include the "Negro Year Book" and "A Bibliography of the Negro in Africa and America"—a bibliography of 17,000 references on African Americans.
 These resources were the largest of their kind in an era when scholarship by and about black Americans was highly inaccessible, and overlooked or ignored by most academics in the US.
Modern Romance: An Investigation is a research book written by American actor and stand-up comedian, Aziz Ansari and American sociologist and New York University professor, Eric Klinenberg, published in 2015.
 The book provides research information exploring the change in romantic society that has occurred in the past decade.
 One of the main concepts in the book concerns the paradox of choice in relationships: having more options may seem better at first glance, though so many options can ultimately make "settling" for anyone a lot more difficult.
The Negro in the South, a book written in 1907 by sociologist W. E. B. Du Bois and educator Booker T. Washington, described the social history of African-American people in the southern United States.
 It was a compilation of the William Levi Bull Lectures on Christian Sociology for that year.
 It has been re-published in 2011 in electronic form via Project Gutenberg.
William Edward Burghardt "W. E. B." Du Bois ( ; February 23, 1868 – August 27, 1963) was an American sociologist, historian, civil rights activist, Pan-Africanist, author, writer and editor.
 Born in Great Barrington, Massachusetts, Du Bois grew up in a relatively tolerant and integrated community.
 After completing graduate work at the University of Berlin and Harvard, where he was the first African American to earn a doctorate, he became a professor of history, sociology and economics at Atlanta University.
 Du Bois was one of the co-founders of the National Association for the Advancement of Colored People (NAACP) in 1909.
The Protestant Ethic and the Spirit of Capitalism (German: "Die protestantische Ethik und der Geist des Kapitalismus" ) is a book written by Max Weber, a German sociologist, economist, and politician.
 Begun as a series of essays, the original German text was composed in 1904 and 1905, and was translated into English for the first time by American sociologist Talcott Parsons in 1930.
 It is considered a founding text in economic sociology and sociology in general.
Peter Ludwig Berger (March 17, 1929 – June 27, 2017), an Austrian-born American sociologist and Protestant theologian, became known for his work in the sociology of knowledge, the sociology of religion, study of modernization, and theoretical contributions to sociological theory.
 He is arguably best known for his book, co-authored with Thomas Luckmann, "The Social Construction of Reality: A Treatise in the Sociology of Knowledge" (New York, 1966), which is considered one of the most influential texts in the sociology of knowledge, and played a central role in the development of social constructionism.
 In 1998 the International Sociological Association named this book as the fifth most-influential book written in the field of sociology during the 20th century.
 In addition to this book, some of the other books that Berger has written include: "" (1963); "" (1969); and "The Sacred Canopy: Elements of a Social Theory of Religion" (1967).
 Berger spent most of his career teaching at The New School for Social Research, at Rutgers University, and at Boston University.
 Before retiring, Berger had been at Boston University since 1981 and was the director of the Institute for the Study of Economic Culture.
Edward Franklin Frazier ( ; September 24, 1894 – May 17, 1962), was an American sociologist and author, publishing as E. Franklin Frazier.
 His 1932 Ph.D. dissertation was published as a book titled "The Negro Family in the United States" (1939); it analyzed the historical forces that influenced the development of the African-American family from the time of slavery to the mid-1930s.
 The book was awarded the 1940 Anisfield-Wolf Book Award for the most significant work in the field of race relations.
 It was among the first sociological works on blacks researched and written by a black person.
Jorge Aliaga Cacho, is a writer and sociologist born in Lima, Peru.
 He entered the National Institute of Culture where he was elected President of the Association of Workers (ATINC).
 In his capacity as chairman he played an important role in the formation of the Confederation of State Employees (CITE).
 He was awarded the "City of Ayacucho medal" for literary merit, the city where Latin Americans sealed their independence from Spain, he was also awarded the "Josè Marìa Arguedas" medal from the Global Association of Writers and Artists, (La Asociaciòn de Escritores y Artistas del Or be).
 He has published a novel, "Secreto de desamor", Renteria Editores, Lima, 2007 and a book of short stories: "Mufida, La angolesa", Editores Altazor, Lima, 2011.

Question: The Negro in the South, a book written by a sociologist born in which year ?
Answer: 1868