Libraries remain one of the best places to research a topic, whether you are writing a school paper or exploring a new interest. Librarians are trained to help you find reliable information, and library catalogues and databases give you access to sources that are hard to find with a general search.
Key takeaways
- Librarians are experts and can save you hours.
- Start broad to get background, then narrow down.
- Library databases hold articles and books you may not find in a free search.
- Good keywords make a big difference.
- Keep careful notes and citations from the start.
Start with the question
Write down your topic as a question, such as "How did the printing press affect literacy in Europe?" A clear question guides what you look for. If you are unsure, read a general overview, such as an encyclopedia entry or textbook chapter, to learn key terms, names and dates.
Talk to a librarian
Librarians can show you how to search, point you to specialised databases and suggest resources you had not thought of. Many libraries offer research appointments, online chat and guides on specific subjects. Asking for help is a normal and smart step.
Use the catalogue
The library catalogue lists books, e-books, journals and media. Search by title, author or subject. Once you find a relevant book, note its call number and look at nearby shelves, since books on the same topic are grouped together. The subject headings listed in the catalogue record give additional terms for searching.
Search databases
Libraries subscribe to databases that contain journal articles, newspapers, statistics and primary sources. General ones cover many subjects, and specialist ones focus on areas such as medicine, history or business. Many allow you to filter by date, type of source or peer review. Some are available from home with your library card.
Choose strong keywords
Think of synonyms and related words. Use quotation marks for phrases and combine terms with AND, OR and NOT. If you find too many results, narrow with more specific terms. If too few, try broader or alternative words.
Evaluate sources
Check who wrote the source and what qualifies them, when it was published, whether it cites evidence and whether it has been reviewed by experts. Scholarly articles are often peer reviewed. Be aware of possible bias, and use more than one source for important claims. Distinguish primary sources, such as original documents and data, from secondary sources that interpret them.
Take organised notes
Record full details of each source as you go: author, title, publication, date and page numbers or web address. Write quotations exactly and mark them clearly, and summarise ideas in your own words. Reference managers such as Zotero can store citations and generate bibliographies in many styles.
Interlibrary loans
If your library does not have an item, you can often request it from another library through interlibrary loan. Allow plenty of time.
Cite properly
Follow the citation style your teacher asks for, such as APA, MLA or Chicago. Citing sources gives credit and lets readers find them.
Search strategies in more depth
Library databases reward careful searching. Boolean operators combine terms: AND narrows a search, OR broadens it by including synonyms, and NOT excludes a term. A truncation symbol, usually an asterisk, finds variations, so teach* finds teach, teacher and teaching. Field searching lets you look for words only in the title, author or subject. A powerful trick is citation chaining. Start with one very relevant article, look through its reference list to find earlier sources, and use tools such as Google Scholar to see which later articles cite it. This quickly reveals the key works on a topic.
Primary, secondary and tertiary sources
Knowing the type of source helps you use it. Primary sources are original materials from the time, such as letters, diaries, photographs, statistics, interviews or the first report of an experiment. Secondary sources analyse or interpret primary sources, such as history books and review articles. Tertiary sources, such as encyclopedias and textbooks, summarise and organise knowledge. For a history essay, you might use primary documents as evidence, secondary books for interpretation and encyclopedias for background.
Evaluating sources
Librarians often suggest asking a few questions about any source. Who wrote it, and what are their qualifications? When was it published, and is it still current? Is the evidence cited and does the argument make sense? Who published it, and might they have an agenda? Peer-reviewed journals have a checking process, but not all journals are equally rigorous, and some so-called predatory journals publish almost anything for a fee. Check whether the journal is indexed in a reputable database, and ask your librarian if you are unsure.
Managing citations and avoiding plagiarism
Reference managers, such as Zotero, Mendeley and EndNote, store your sources, attach notes and generate bibliographies in the style you choose. Keep track of where each idea comes from as you take notes. When you use someone else's words, put them in quotation marks and cite them. When you paraphrase, restate the idea completely in your own words and sentence structure, and still give credit. Passing off others' work as your own is plagiarism, even by accident, so careful notes are your protection.
Special collections and archives
Many libraries hold rare books, manuscripts and local records in special collections or archives. A finding aid describes what is in a collection, how it is arranged and how to request items. You usually need to make an appointment, register as a reader and follow handling rules, such as using pencils instead of pens and using clean hands or gloves as instructed. Archivists are expert guides and can point you to material you would never find online.
Frequently asked questions
Is a library better than Google?
They complement each other. Libraries provide access to curated, often paid, sources and expert help.
What is peer review?
A process in which experts check a research article before it is published.
Can I use libraries online?
Many offer e-books, databases and chat help remotely.
What is a DOI?
A DOI, or digital object identifier, is a permanent code assigned to a scholarly article or other item. Adding the DOI to a web address, in the form https://doi.org/ followed by the code, should always lead to the item, even if the publisher's website changes.
How can I find free versions of articles?
Try the open-access filter in library databases, search for the title in Google Scholar and look for linked free versions, check your library's interlibrary loan service, and ask a librarian. Many universities have repositories where authors deposit their papers, and browser tools can point to legal free copies.
Can librarians help with school projects?
Yes. School and public librarians help students choose topics, find age-appropriate sources, and learn how to cite them. Ask at the desk or use online chat if your library offers it, and bring your assignment sheet so the librarian can see what is required.
Sources and further reading
Written by
FactNest Editorial Team
FactNest is operated by Muonix. The FactNest Editorial Team publishes general-interest explainers with AI-assisted drafting and illustrations. Contact contact@muonix.co for questions or corrections; we respond within 2 business days.
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