Primary sources are original materials and first hand accounts of an event. They are typically created at the time the event took place. Examples:
Secondary sources interpret or analyze events. They are usually at least one step removed from the event. Examples:
Get the most out of Google Scholar with some helpful tips on searches, email alerts, citation export, and more.
Finding recent papers
Your search results are normally sorted by relevance, not by date. To find newer articles, try the following options in the left sidebar:
Locating the full text of an article
Abstracts are freely available for most of the articles. Alas, reading the entire article may require a subscription. Here're a few things to try:
If you're affiliated with a university, but don't see links such as "FindIt@Harvard", please check with your local library about the best way to access their online subscriptions. You may need to do search from a computer on campus, or to configure your browser to use a library proxy.
Getting better answers
If you're new to the subject, it may be helpful to pick up the terminology from secondary sources. E.g., a Wikipedia article for "overweight" might suggest a Scholar search for "pediatric hyperalimentation".
If the search results are too specific for your needs, check out what they're citing in their "References" sections. Referenced works are often more general in nature.
Similarly, if the search results are too basic for you, click "Cited by" to see newer papers that referenced them. These newer papers will often be more specific.
Explore! There's rarely a single answer to a research question. Click "Related articles" or "Cited by" to see closely related work, or search for author's name and see what else they have written.
Ancient History Encyclopedia
An Encyclopedia of general history resource, covering all time periods of human history.
The Avalon Project
Primary documents in law, history & diplomacy from Yale.
British History 1700-1920
An edited collection of materials from Spartacus Educational (UK).
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