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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
a collection of which
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a collection of which" is correct and usable in written English.
It can be used when referring to a specific group or set of items that have been previously mentioned, indicating that you are discussing a subset of that collection. Example: "The library has several rare manuscripts, a collection of which is on display this month."
✓ Grammatically correct
News & Media
Encyclopedias
Science
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
11 human-written examples
The surrealists collected random objects (a collection of which is now on display in Houston in the Menil Collection).
News & Media
The stag line is not a collection of which any hostess can be proud.
News & Media
By Ellin Mackay The stag line is not a collection of which any hostess can be proud.
News & Media
In addition to his eisteddfodic compositions, he wrote many hymns, a collection of which was published in 1862.
Encyclopedias
On Sundays, he contributes to another body of work, using scraps of found paper to create collages, a collection of which will eventually appear in a book.
News & Media
Accounts by the victims, a collection of which were released on compact disc in April, were rarely subjected to cross-examination, often uncorroborated, and sometimes contradicted.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
This special issue of JPDC is devoted to a collection of articles which are representative of the areas to which parallel and distributed simulation are now being applied.
GLASS is a collection of pieces, which are either made of glass or which use glass as a found object.
News & Media
"I collected them when I was a child and had a collection of 53, which I lost in my divorce.
News & Media
The reading list is a collection of papers, which is posted on the course web page.
Academia
In its purest form, a newspaper consists of a collection of facts which, in controlled circumstances, can actively improve knowledge.
News & Media
Expert writing Tips
Best practice
Use "a collection of which" to precisely specify that you are referring to a subset of a previously mentioned larger group, enhancing clarity and avoiding ambiguity in your writing.
Common error
Avoid using "a collection of which" in simple sentences where a direct and less verbose phrasing would be more appropriate. For example, instead of saying "The museum had many artifacts, a collection of which was from Egypt", consider "The museum had many artifacts, some of which were from Egypt."
Source & Trust
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a collection of which" functions as a prepositional phrase modifying a noun phrase. It introduces a subset or specific group from a larger set, providing further detail or specification about the items being discussed. Ludwig provides several examples illustrating this function.
Frequent in
News & Media
40%
Encyclopedias
30%
Science
30%
Less common in
Formal & Business
0%
Academia
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "a collection of which" is a grammatically correct prepositional phrase used to specify a particular subset or group from a larger set. As highlighted by Ludwig, it is commonly found in news, encyclopedias, and scientific publications, indicating a neutral to formal register. While effective for precise communication, it is crucial to avoid overuse in simpler sentences where more direct alternatives suffice. Alternatives include phrases like "some of which" and "a portion of which". Overall, its correct usage can enhance the clarity and sophistication of your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a subset of which
Replaces "collection" with "subset", emphasizing the mathematical concept of a subset.
a group of which
Replaces "collection" with the more general term "group".
a portion of which
Uses "portion" instead of "collection", focusing on a quantity or share.
some of which
A more general way of indicating a part of a larger group.
a selection of which
Emphasizes the act of choosing specific items from the larger group.
a number of which
Focuses on a numerical quantity from the larger group.
a segment of which
Implies that the items are parts of a whole, more structured entity.
a sample of which
Suggests that the items are representative of the larger group.
a component of which
Highlights the items as integral parts of a larger system or structure.
an assortment of which
Suggests a varied mix within the larger group.
FAQs
How can I use "a collection of which" in a sentence?
Use "a collection of which" to refer to a specific group or set of items that are part of a larger set already mentioned. For example: "The library has several rare manuscripts, a collection of which is on display this month."
What are some alternatives to using "a collection of which"?
You can use alternatives like "some of which", "a subset of which", or "a portion of which" depending on the specific context and nuance you want to convey.
Is there a difference between "a collection of which" and "some of which"?
"A collection of which" specifically implies a curated or grouped subset, while "some of which" is a more general term that simply indicates a part of the larger group without necessarily implying a formal collection.
When is it best to use "a collection of which" over simpler alternatives?
Use "a collection of which" when you want to emphasize that you are referring to a specifically gathered or curated subset within a larger group, providing a more formal or precise tone than alternatives like "some of which".
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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
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested