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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
copies of letters
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "copies of letters" is correct and usable in written English.
It can be used when referring to duplicate versions of written correspondence, typically for record-keeping or sharing purposes. Example: "Please send me copies of letters that were sent to the clients last month."
✓ Grammatically correct
Academia
News & Media
Science
Alternative expressions(1)
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
60 human-written examples
Handwritten notes by Dimmick, clippings, copies of letters to Titchener.
Academia
Includes copies of letters on loan by Int'l.
Academia
We will not accept hard copies of letters of recommendation.
Copies of letters sent to new members of the temple.
Academia
She keeps copies of letters from officials whose investigations into terrorism she has assisted.
News & Media
And 57% did not receive copies of letters sent between hospital doctors and GPs.
News & Media
Includes information on the library and Folio plates/prints held there, and copies of letters.
Academia
Also, copies of letters from Ho Chi Minh to Harry Truman.
Academia
Includes copies of letters from John J. Audubon and Richard Anderson.
Academia
Typed copies of letters (annotated); also include transcripts by hand, and notes.
Academia
ThisSeries includes letters received and copies of letters sent,memoranda, and miscellaneous attachments.
Academia
Expert writing Tips
Best practice
If sharing "copies of letters" electronically, consider password-protecting the files to maintain confidentiality, especially if the letters contain sensitive information.
Common error
Avoid presenting "copies of letters" as originals. Clearly indicate that they are reproductions to maintain transparency and avoid misleading your audience.
Source & Trust
91%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "copies of letters" functions primarily as a noun phrase, often serving as the subject or object of a sentence. This indicates that the phrase is used to name or identify multiple reproductions of letters. Ludwig confirms that this phrase is used in a variety of contexts.
Frequent in
Academia
36%
News & Media
56%
Science
4%
Less common in
Formal & Business
3%
Wiki
1%
Reference
0%
Ludwig's WRAP-UP
In summary, "copies of letters" is a common and grammatically correct phrase used to refer to reproduced versions of letters. As indicated by Ludwig, it frequently appears in academic, news, and scientific contexts, serving to provide evidence or documentation. When using this phrase, remember to ensure clarity about whether you are discussing originals or reproductions and be mindful of citation practices if used in academic settings. The phrase is considered neutral in register, making it suitable for a broad range of writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
letter reproductions
Replaces "copies" with "reproductions", focusing on the act of recreating the letters.
duplicate letters
Uses "duplicate" to emphasize the identical nature of the letters.
letter duplicates
Swaps the order and emphasizes that the letters are duplicates.
transcripts of letters
Specifies that the copies are written records or transcriptions.
records of letters
Focuses on the preservation aspect using the word "records".
letter facsimiles
Uses "facsimiles" to denote exact reproductions or imitations of the letters.
replicated letters
Uses "replicated" suggesting a process of duplication.
cloned letters
Implies an exact, almost technical, duplication of the letters.
letter carbon copies
Uses the term carbon copy to specifically refer to a copy made using carbon paper.
letter photocopies
Uses "photocopies" to denote a reproduction of a letter using a photocopier.
FAQs
How do I properly cite "copies of letters" in academic writing?
When citing "copies of letters", include information such as the author, recipient, date, and location of the original letter, as well as where you accessed the copy. Follow citation guidelines for archival materials.
What is the difference between "copies of letters" and "originals of letters"?
While "copies of letters" are reproductions, "originals of letters" are the initial, firsthand documents. Originals hold unique historical and evidential value that copies might lack.
What are some digital alternatives to keeping "copies of letters"?
Digital alternatives include scanning letters to create PDFs, using secure cloud storage for archiving, and employing document management systems to organize and track correspondence.
When is it appropriate to request "copies of letters" instead of the originals?
Request "copies of letters" when you need the information for reference, analysis, or legal purposes, and do not require the original document's unique attributes or chain of custody.
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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
91%
Authority and reliability
4.6/5
Expert rating
Real-world application tested