The phrase "a letter appealing" is correct and usable in written English.
It can be used when referring to a letter that makes a request or seeks to persuade someone regarding a particular issue.
Example: "She wrote a letter appealing for more funding for the community project."
Alternatives: "a letter requesting" or "a letter urging".
In New York, former students of Esfandiari yesterday presented to Iran's U.N. mission a letter appealing for her immediate release.
But a key incident, when a letter appealing for funds is sent to Winston Churchill, is firmly based on historic fact.
Ms. Kurdi turned to her local member of Parliament, Fin Donnelly, who hand-delivered a letter appealing for help to Chris Alexander, the citizenship and immigration minister.
Two men arrested for the murder of British backpackers Hannah Witheridge and David Miller on a Thai holiday island have written a letter appealing for any witnesses who might help their case to come forward.
During the conference, regional German environment ministers wrote a letter appealing to chancellor, Angela Merkel, to push for an EU-wide C02 reduction target of 55% by 2030 as an impulse for key nations such as China to make their "own essential contributions" to global climate negotiations.
Armed with Robin Oggins's signature on a letter appealing to the Russian practice to release details of victims of the purges to their descendants, Mr. Meier had helped coax the F.S.B. to release 22 pages of redacted documents about Isaiah Oggins.
"Allow me to leave now and I will be even happier!" Her release came two weeks after Iran's supreme leader, Ayatollah Ali Khamenei, in a rare occurrence, responded to a June 29 letter appealing for her freedom, according to Lee H. Hamilton, the director of the Wilson center.
A group of 40 Nobel laureates described him as "an exceptional, courageous, and selfless colleague, dedicated to helping those in India who are least able to help themselves," in a 2011 letter appealing for his life sentence to be overturned.
But two days before that meeting, scores of advocacy groups sent Mr. Obama a private letter, appealing to his sense of history as he nears the end of his presidency, in which he has already advanced gay and transgender rights on multiple fronts.
Labour tabled an emergency Commons question after an alliance of 25 leading aid agencies and refugee groups wrote an open letter appealing to the Government to play its part, which was published in The Independent on Saturday.
Three ministers walked out of the cabinet rather than sign off extra funding for the Afghan force, which has yet to be endorsed by parliament.Amid growing concern about Italy's wobbly commitment to ISAF, the ambassadors of six other participants published an open letter, appealing for continued support.
