The phrase "a contribution about" is correct and usable in written English.
It can be used when referring to a specific input or addition related to a particular topic or subject matter.
Example: "She made a valuable contribution about climate change during the conference."
Alternatives: "an input regarding" or "a submission on".
New York City has budgeted a contribution of about $2 billion for this year — about 64 percent of the police payroll, one of the highest pension contribution rates in the United States.
Based on the personal concentrations, chromium dominated with a contribution of about 70%, followed by about a 20% contribution from nickel in both cities.
Email me at [email protected] before Tuesday, 13 March at noon EST with a contribution of about 250 words.
If you would like to participate, email Jessica Reed ([email protected]) before 11.30am on Thursday 6 December, with a contribution of about 200-300 words.
If you would like to participate, please email Jessica Reed ([email protected]) before 4pm Wednesday 23 November, with a contribution of about 200-300 words.
If you would like to participate, please email Jessica Reed ([email protected]) before Wednesday 16 April at 12pm (EST), with a contribution of about 250-350 words – not more!
NATO common funding is a bargain — for the largest European countries, a contribution of about 10 cents buys a dollar worth of defense, because the other 90 cents are paid by other allies.
Donations of all sizes will be accepted: a contribution of about $40 can restore 50 centimeters of film, the Institute says, while a gift of $150,000 can restore a whole film.
Of these determinants, mother's illiteracy stands out with a contribution of about 34percentt.
Italian fashion entrepreneur Renzo Russo celebrated the 35th anniversary of Diesel, which he cofounded, by making a contribution of about $746,000 to the Only the Brave charitable foundation, which supports "sustainable and innovative projects" around the world.
