I believe it would be in 300-399, Social Science
Spiders fall under the Dewey Decimal Classification of 595.4.
"A Song of Ice and Fire" by George R.R. Martin would typically fall under the Dewey Decimal Classification number 813.6, which is for American literature in English.
The Dewey Decimal Classification for Smithsonian Maker Lab would likely fall under the 600s, which is the general classification for Technology.
Books on the Titanic typically fall under the Dewey Decimal Classification number 910.91634, which is for naval history and maritime disasters.
Feelings generally fall under the category of psychology in the Dewey Decimal System, which is classified under the number range 150-159.
Dogs fall under the category of mammals in the Dewey Decimal Classification system, which is 599.7.
In the Dewey Decimal Classification system, books about the Victorians would generally fall under the category 941.081 – history of Victorian era in the United Kingdom.
It may vary depending on the country you are looking for, but will mostly fall under the 940's, for History of Europe.
In the Dewey Decimal System, books on the human body typically fall under the 610 range (610-619). This classification includes topics related to medicine, health, anatomy, and physiology.
The Battle of Trafalgar would likely be found in the 940s section of the Dewey Decimal System, which is dedicated to European history. Specifically, it would fall under 940.27, which covers the Napoleonic Wars and naval battles of that era.
The Dewey Decimal Call number for Maternal and Child Health will typically fall under the 610 range, specifically around 618.2-618.7, which deals with medical sciences focusing on specific aspects of health and medicine.
In the Dewey Decimal Classification scheme there are ten main classes, from 000 to 900. The class 600 deals with the subtopics of technology, health, and cooking. Books on horticulture (garden crops) fall under 635.