McCaffrey's first novel was Restoree, published by Ballantine Books in 1967.
Restoree
Federated Sentient Planets universe
Several of McCaffrey's series and more than half her books share as background a universe governed by the "Federated Sentient Planets" or "Federation" or "FSP".
"Dragonrider", Analog Magazine – two parts, December 1967/January 1968
"The Smallest Dragonboy", Science Fiction Tales edited by Roger Elwood reprinted in A Gift of Dragons, and Get Off The Unicorn.
"A Time When", N.E.S.F.A. Press, hardcover limited edition printed for guest of honor appearance at Boskone 1975
"Rescue Run", Analog Magazine, Aug.1991
"The P.E.R.N. Survey", Amazing Magazine, Sept.1993
"The Dolphin's Bell", published as a limited edition, leatherbound book by The Wildside Press, 1993
"The Girl Who Heard Dragons", originally published as a Tor Book by Tom Doherty Associates, LLC, in 1994 and in A Gift of Dragons, also Cheap Street Press, 1986
The Brain & Brawn Ship series comprises seven novels. Only the first was written by Anne McCaffrey alone, a fix-up of five previously published stories. The Ship books are set in the same universe as the Crystal Singer books, as Brainship-Brawn pairings were characters in the second and third volumes of that series.
This series also includes solo entries by Stirling and Nye:
The Ship Errant by Jody Lynn Nye,
The Ship Avenged by S.M. Stirling,
All but the first were issued in omnibus editions of two as Brain Ships ; The Ship Who Saved the Worlds ; The City and the Ship.
The Crystal series
The Crystal series, as catalogued by the Internet Speculative Fiction Database under the name Crystal Universe, comprises five novels published from 1982 and four earlier short stories that were a basis for the first book, The Crystal Singer. Three of the novels compose the Crystal trilogy, or Crystal Singer trilogy after the first of them.
Crystal trilogy, or Crystal Singer trilogy
* Crystal Singer
* Killashandra
* Crystal Line
Omnibus editions were published as The Crystal Singer Trilogy and The Crystal Singer Omnibus. ISFDB catalogues two other novels as "Crystal Universe" books.
The Coelura
Nimisha's Ship
Ireta
The Ireta series, as catalogued by ISFDB, comprises five novels, two "Dinosaur Planets" by Anne McCaffrey 1978 and 1984, and three "Planet Pirates" written with co-authors in the 1990s. They share a fictional premise and some characters. The events of Dinosaur Planet overlap with the final chapters of The Death of Sleep, as does Dinosaur Planet Survivors with Sassinak; Generation Warriors continues and concludes the storylines of both series.
The Dinosaur Planet series
When the Exploration and Evaluation Corps team reached the planet Ireta, dinosaurs were not what they expected to find.
Dinosaur Planet
Dinosaur Planet Survivors
Omnibus editions have been issued under the titles The Ireta Adventure, The Dinosaur Planet Omnibus, and The Mystery of Ireta.
"The Talents Universe", as catalogued by the Internet Speculative Fiction Database, comprises two series. They share one fictional premise. Eight books, all by Anne McCaffrey alone, are rooted in her second story and three stories published in 1969.
This duology is a collaboration between Anne McCaffrey and Elizabeth Ann Scarborough that introduces a new universe with Barque Cats and their special telepathically linked humans.
Catalyst with Elizabeth Ann Scarborough
Catacombs with Elizabeth Ann Scarborough
The Freedom series
The Freedom series or "Catteni Sequence" comprises one 1970 short story and four Freedom novels written 1995 to 2002.
Freedom's Landing
Freedom's Choice
Freedom's Challenge
Freedom's Ransom
Acorna universe
The "Acorna Universe series" comprises ten novels published 1997 to 2007, seven sometimes called Acorna and three sometimes called Acorna's Children. The first two were written by Anne McCaffrey and Margaret Ball, the rest by McCaffrey and Elizabeth Ann Scarborough.
Acorna series
with Margaret Ball,
Acorna's Quest with Margaret Ball,
Acorna's People with Elizabeth Ann Scarborough,
Acorna's World with Elizabeth Ann Scarborough,
Acorna's Search with Elizabeth Ann Scarborough,
Acorna's Rebels with Elizabeth Ann Scarborough,
Acorna's Triumph with Elizabeth Ann Scarborough,
Acorna's Children series
First Warning with Elizabeth Ann Scarborough,
Second Wave with Elizabeth Ann Scarborough,
Third Watch with Elizabeth Ann Scarborough,
Short story collections
Get Off the Unicorn
The Girl Who Heard Dragons
Romances
The Mark of Merlin
Ring of Fear
The Kilternan Legacy
Stitch in Snow
The Year of the Lucy
The Lady
Three Women contains the first three listed in an omnibus edition.
Serve it Forth: Cooking with Anne McCaffrey, edited with John Betancourt,
A Diversity of Dragons, by A.M. and Richard Woods, illustrated by John Howe, Atheneum Books, – ISFDB says, "Cataloged as fiction by the Library of Congress even though it's part non-fiction and part art book."