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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
sources exist for
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "sources exist for" is correct and usable in written English.
You can use it when discussing the availability of information or evidence on a particular topic or claim. Example: "In the field of climate science, numerous sources exist for understanding the impact of human activity on global warming."
✓ Grammatically correct
Encyclopedia
Science
News & Media
Wiki
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
8 human-written examples
The importance of this process extends beyond the very earliest stages of Earth's history because continuous sources exist for these light gases.
Encyclopedias
Thomas et al. (2009) demonstrated that signal voids surrounding brachytherapy sources exist for increasing field strengths (3 4.5 mm separation for 1.5 T, and 4.5 6 mm for 3 T), which affect the accuracy with which the sources are localized; a proton density-weighted FSE sequence was used to limit this effect with good results (Thomas et al. 2009).
Science
All news sources exist for the whims of their audiences, but few have as innate an understanding of those whims as a local paper.
News & Media
Three potential sources exist for the generation of 1,2-DGs.
Science
It is the only data source for annual anthropometric measurements of Japanese adults, although other data sources exist for children.
Science
Organic fingerprints of specific sources exist for a subset of these data (Zheng et al. 2000, 2007) and will contribute toward our ability to disaggregate OC-dominated source impacts.
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
Sometimes local government officials were sympathetic with swiddeners and did not enforce these laws, knowing that no viable alternative land-use practices or alternative income sources existed for them; people had few other livelihood choices (e.g. De Haan 1929, for South and East Borneo).
Science
For Bryant, it's that many of the same critiques that people levy against open source exist for proprietary software.
News & Media
This sequence, called depolarization and repolarization, is accompanied by a flow of substantial current through the active cell membrane, so that a "dipole-current source" exists for a short period.
Encyclopedias
In Germany, for example, no single source exists for resource utilization data.
Science
Second, in decentralized health care systems, including many social security systems and market-oriented health systems, no single source exists for comprehensive cost data.
Science
Expert writing Tips
Best practice
When using "sources exist for", ensure the context clearly identifies what these sources pertain to. Be specific about the type of sources (data, information, funding, etc.) for better clarity.
Common error
Avoid using "sources exist for" without specifying the subject or context. For example, instead of saying "sources exist for this", specify "reliable data sources exist for climate change research".
Source & Trust
77%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "sources exist for" functions as an assertion of availability, indicating that resources or information pertain to a specific subject. Ludwig confirms that this phrase is grammatically correct and usable.
Frequent in
Science
43%
News & Media
21%
Encyclopedias
14%
Less common in
Wiki
7%
Formal & Business
7%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "sources exist for" is a grammatically correct and usable way to indicate the availability of information or resources on a particular topic. Ludwig AI affirms this. While more frequent in scientific and academic contexts, it is also appropriate for news and general informative writing. When using this phrase, ensure that the context and subject are clearly defined to avoid ambiguity. Alternatives include "sources are available for" or "there are sources for", which can be used depending on the nuance you want to convey.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
sources are available for
Replaces "exist" with "are available", emphasizing accessibility rather than mere existence.
sources are present for
Substitutes "exist" with "are present", indicating the presence of sources.
there are sources for
Rephrases the sentence to start with "there are", changing the sentence structure.
resources exist for
Uses "resources" instead of "sources", broadening the scope to include different types of information.
materials are available for
Replaces "sources" with "materials", focusing on the tangible or documented nature of the information.
data sources exist for
Specifies "data sources" to highlight the empirical or factual nature of the available information.
options are available for
Employs "options" to refer to diverse courses of action related to a subject.
alternatives exist for
Changes "sources" to "alternatives", implying the presence of different choices or methods.
avenues are available for
Substitutes "sources" with "avenues," suggesting different paths or methods of acquisition or engagement.
multiple sources cover
Uses a verb-based structure to indicate that various sources address a particular topic.
FAQs
How can I use "sources exist for" in a sentence?
You can use "sources exist for" to indicate that information or resources are available on a particular topic. For example, "Many "sources exist for" learning about renewable energy".
What can I say instead of "sources exist for"?
You can use alternatives like "sources are available for", "there are sources for", or "resources exist for" depending on the context.
Which is correct, "sources exist for" or "sources are existing for"?
"Sources exist for" is the correct and more common phrasing. "Sources are existing for" is grammatically awkward and not typically used.
What's the difference between "sources exist for" and "sources are available for"?
While similar, ""sources exist for"" simply indicates that sources are present. "Sources are available for" implies that these sources are accessible and can be used.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
77%
Authority and reliability
4.1/5
Expert rating
Real-world application tested