In China, when we want to find ancient books, journals, academic papers and other documents, the main way is through several large websites such as CNKI and Wanfang. However, there is a fee to download documents from these large websites. If we can make good use of online resources, we can actually find some free and very high-quality literature resource search websites.
Today I will introduce to you some free and easy-to-use paper and literature search websites, which are basically enough for general academic research.
1, Questia | Humanities and Social Sciences Paper Resource Library
URL: https://www.questia.com/
Questia is a foreign professional resource library dedicated to online research and paper writing in the humanities and social sciences. It was established in 1998; its subject scope includes Art, architecture, economics and trade, law, literature, psychology, sociology and anthropology, etc. The collection of books, magazines and newspapers in the humanities and social sciences ranks first in the world.
has high-quality online research and paper writing resources and has the world's largest online library function, covering history, philosophy, economics, political science, English linguistics, literature, anthropology, psychology and society Study etc. At the same time, Questia also provides professional resources for completing university core course tasks. The highlight is that it can be accessed and used efficiently and conveniently through research tools such as automatic index creation, notifications and quotations.
2, arXiv | American scientific academic paper search
URL: https://arxiv.org/
arXiv is an old academic paper search engine started in 1991. It was created by physicist Paul Ginsbarg and is dedicated to collecting physics A website for preprints of papers in physics, mathematics, computer science and biology, collecting data for millions of papers.
Currently, arXiv article types are mainly divided into seven categories: physics, mathematics, nonlinear science, computer science, quantitative biology, quantitative finance, and statistics. Each major category is divided into several subcategories. For example, physics is divided into: astrophysics , condensed matter physics , general relativity, quantum cosmology, high energy physics : experiments, high energy physics: lattice points , High energy physics: phenomenology, High energy physics: theory, mathematical physics, nuclear physics experiments, nuclear physics theory, general physics and quantum physics . The content classification of article types is very professional and comprehensive. There are approximately 700,000 papers on arXiv, and it is growing at a rate of approximately 75,000 papers received every year. The existence of
arXiv is one of the factors that created the so-called open access movement in the scientific publishing industry. Some mathematicians and scientists today are accustomed to uploading their papers to arXiv first and then submitting them to professional academic journals. This trend has had a considerable impact on the business model of traditional academic journals.
3, NSSD | Social Sciences Academic Journal Database
URL: https://www.ixueshu.com/
National Philosophy and Social Sciences Academic Journal Database, referred to as "National Periodical Database (NSSD)", is approved by the National Philosophy and Social Sciences Planning Leading Group Construction, a national, open, public welfare philosophy and social science information platform undertaken by Chinese Academy of Social Sciences .
National Journal Database aims to build my country's largest public welfare social science quality journal database and the largest social science open access platform to realize the open sharing of academic resources, provide strong basic conditions for academic research, and promote the social dissemination of academic results. , to promote the prosperity and development of my country's philosophy and social sciences and to go global.
National Journal Database adheres to the correct political direction and academic orientation, firmly establishes a sense of quality, faces the future, and builds a comprehensive philosophy and social science information platform. It contains more than 1,000 high-quality academic journals, more than 4.85 million papers, and information on more than 1.01 million scholars and 21,000 research institutions. It covers more than 500 journals with their first issues, the earliest going back to 1921.
4, National Library Thesis Search Network
URL: http://www.ucdrs.superlib.net/
For many college students, thesis is a very important resource, and neither domestic nor foreign thesis websites are very popular. It is easy to find the papers or journal resources you want. The website shared here allows you to easily get all papers, whether you are on campus or outside the school. Find the papers you need on the website, just leave your email address on the right No., the paper will be sent to your mailbox in minutes. How to use
: After entering the website, you can enter the paper resources you want in the search box. You can filter by book title or author. In addition to journals, you can also try books, newspapers, dissertations, conference papers, etc. Patents, annotations, videos, etc.
5, LolMyThesis: Harvard Graduation Thesis Sharing Network
URL: https://lolmythesis.com/
LolMyThesis Harvard Graduation Thesis Sharing Network is a thesis sharing website founded by Harvard College students. It was founded in December 2013. It started as a summary paper prepared for themselves. Later, more and more people began to upload their own papers and attach a sentence to express their feelings at that time. The
LolMyThesis website records some of the stress, process, and trivial things encountered in writing a thesis for undergraduate (and some graduate students). As more and more people upload their own papers, you can check those here. The papers are useful to you. All papers can be read online. As for their usefulness, I don’t need to say more. The benevolent sees the benevolence and the wise see the wisdom.
