by courtesy of

USAGE SUMMARY

The phrase "by courtesy of" is correct and usable in written English.
You can use it to give credit to someone who has helped you, or when you want to thank someone for a gift or permission. For example, "By courtesy of my friend, I was able to attend the special event."

✓ Grammatically correct

Academia

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

He was there by courtesy of the Army.

The New Yorker

All images appear here by courtesy of Kew Gardens.

The Guardian

All images appear here by courtesy of the publisher or NetGalley......................

The Guardian

It was used by courtesy of the Columbia University School of Architecture.

The New York Times

Bo Wang, assistant professor of bioengineering and, by courtesy, of developmental biology.

Stanford University

Allison Okamura, professor of mechanical engineering and, by courtesy, of computer science.

Stanford University

Lynnete Cegelski, associate professor of chemistry and, by courtesy, of chemical engineering.

Stanford University

Simon Klemperer is also a professor, by courtesy, of geological sciences.

Stanford University

Oussama Khatib, Weichai Professor and professor, by courtesy, of mechanical engineering.

Stanford University

Dr. Cao was appointed Clinical Associate Professor (by courtesy) of Neurology, effective May 1 , 2018

Stanford University

Human-verified similar examples from authoritative sources

Similar Expressions

1 human-written examples

Christian Linder is an Associate Professor of Civil and Environmental Engineering and, by courtesy, of Mechanical Engineering.

Stanford University

Expert writing Tips

Best practice

Use "by courtesy of" to formally acknowledge the source of information, images, or materials used in your work. This helps maintain transparency and give credit where it's due.

Common error

Avoid using "by courtesy of" in informal conversations or casual writing. It's best suited for formal acknowledgments and credits. In informal scenarios, simpler phrases like "thanks to" or "with help from" are more appropriate.

Linguistic Context

The phrase "by courtesy of" primarily functions as a prepositional phrase. It is used to introduce the source or provider of something, acknowledging their permission or contribution. Ludwig examples show its usage in academic papers, news articles, and scientific publications.

Expression frequency: Very common

Frequent in

Academia

54%

News & Media

27%

Science

19%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "by courtesy of" is a prepositional phrase used to formally acknowledge the source or provider of information, materials, or access. Ludwig AI confirms it is grammatically correct and suitable for formal contexts, such as academic writing, news reporting, and scientific publications. The phrase's high frequency in academic sources and authoritative media outlets underscores its role in maintaining transparency and giving credit where it is due. While ""by courtesy of"" is widely accepted, remember to use simpler alternatives like "thanks to" in informal settings.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

thanks to

This alternative focuses on expressing gratitude for the source or cause.

with the permission of

This alternative emphasizes the explicit authorization granted.

through the kindness of

This alternative highlights the benevolent nature of the provider.

due to the generosity of

This alternative emphasizes the generous act of providing something.

provided by

This alternative directly states the source of provision.

courtesy of

Slightly shorter form. Still denotes something given or allowed by someone.

by favor of

Emphasizes the act of bestowing a favor.

with the help of

Focuses on the assistance received from a source.

on behalf of

Implies acting as an intermediary or representative.

at the discretion of

Highlights the authority or power to decide or allow something.

FAQs

How to use "by courtesy of" in a sentence?

Use "by courtesy of" to acknowledge the source of something, such as data, images, or funding. For example, "The image is used "by courtesy of" the National Archives."

What can I say instead of "by courtesy of"?

You can use alternatives like "thanks to", "with the permission of", or "provided by" depending on the context.

When is it appropriate to use "by courtesy of"?

"By courtesy of" is best used in formal or professional contexts when acknowledging the source of information, materials, or assistance. It is commonly found in academic papers, reports, and media credits.

Is "courtesy of" the same as "by courtesy of"?

Yes, "courtesy of" and ""by courtesy of"" are largely interchangeable and have the same meaning. The inclusion of 'by' adds a slight emphasis to the acknowledgment.