, Question 1: Reader advisory services for wrestlers
DDC Number: 796.812
Explanation:
The Dewey Decimal system places all recreational and performing arts under the
700s. Sports and games specifically fall under 796. Wrestling is classified as a combat
sport under 796.81, with further subdivision into 796.812 for wrestling specifically.
Since the question refers to reader advisory services for wrestlers, the subject
heading is not about library services in general but about resources relating to
wrestling. Therefore, the correct classification is 796.812, which directly refers to
Wrestling.
Question 2: Ethics of mercy killing
DDC Number: 179.7
Explanation:
Ethics belongs to 170. Within ethics, topics such as moral philosophy and applied
ethics are in 174–179. Euthanasia, also called mercy killing, is an applied ethical issue
concerning life and death. According to DDC 23, euthanasia is placed under 179.7
(Mercy killing; euthanasia). This is the most precise classification because it isolates
mercy killing within the field of moral philosophy.
Question 3: Bible in Russian
DDC Number: 220.5
Explanation:
Religion is under 200, and the Bible specifically under 220. Translations of the Bible
into specific languages fall under 220.5. For example:
DDC Number: 796.812
Explanation:
The Dewey Decimal system places all recreational and performing arts under the
700s. Sports and games specifically fall under 796. Wrestling is classified as a combat
sport under 796.81, with further subdivision into 796.812 for wrestling specifically.
Since the question refers to reader advisory services for wrestlers, the subject
heading is not about library services in general but about resources relating to
wrestling. Therefore, the correct classification is 796.812, which directly refers to
Wrestling.
Question 2: Ethics of mercy killing
DDC Number: 179.7
Explanation:
Ethics belongs to 170. Within ethics, topics such as moral philosophy and applied
ethics are in 174–179. Euthanasia, also called mercy killing, is an applied ethical issue
concerning life and death. According to DDC 23, euthanasia is placed under 179.7
(Mercy killing; euthanasia). This is the most precise classification because it isolates
mercy killing within the field of moral philosophy.
Question 3: Bible in Russian
DDC Number: 220.5
Explanation:
Religion is under 200, and the Bible specifically under 220. Translations of the Bible
into specific languages fall under 220.5. For example: