Some statistics related to the Nebulas, with respect to having author articles:

Works in Category	Author Instances with Wikipedia articles	Author Article Success Rate	Category
57	57	100%	Novel Wins
302	302	100%	Novel Nominations (no wins)
59	59	100%	Novella Wins
57	57	100%	Novelette Wins
56	56	100%	Short Story Wins
263	255	97%	Novella Nominations (no wins)
317	297	93.7%	Short Story Nominations (no wins)
304	283	93.1%	Novelette Nominations (no wins)

Nebula Winners with no Wikipedia articles (Fiction Categories)

None.

Nebula Nominees with no Wikipedia articles (Novella Category)

Author	Notabilty	SFE	SFWA	Awards	Reviews	Add Article	Notes
Lee Goodloe	Level 3	Yes	Yes	16	3	Yes	Pseudonym for Stephen L. Gillett. 15 nominations and one win for Analog's Best Fact Article. Good candidate.
Paul Witcover	Level 3	Yes	Yes	10	13	Yes	Nominated for 5 Locus awards, 2 World Fantasy Awards, one Nebula, one Tiptree, one Shirley Jackson, and was on the shortlist for Best New Writer in 1998. Substantial number of reviews. Good candidate.
William K. Carlson	Level 3	Yes	No	1	1	Skip	Two novels, eleven pieces of short fiction. Very light and awards and reviews.
John P. Murphy	Level 3	Yes	No	1	0	Skip	Current link is for the footballer John P. Murphy. One novel and thirteen pieces of short fiction. One award nominations and no reviews.
Eugene Fischer	Level 5	No	No	6	1	Skip	Has two qualifying SFWA stories, but NOT SFWA qualified.
William Hutson	Level 5	No	No	2	0	Skip	Covered under the Hugos section for the same work. Don't recommend an article for this author yet.
Jonathan Snipes	Level 5	No	No	2	0	Skip	Covered under the Hugos section for the same work. Don't recommend an article for this author yet.
Yaroslav Barsukov	Level 5	No	No	1	1	Skip	Six short stories.

Nebula Nominees with no Wikipedia articles (Novelette Category)

Author	Notabilty	SFE	SFWA	Awards	Reviews	Add Article	Notes
S. N. Dyer	Level 3	No	Yes	16	0	Yes	Pseudonym for Sharon N. Farber. Prolific short fiction writer (44 works). 6 Hugo nominations, 5 Asimov's Readers nominations, 2 SF Chronicle noms, 2 Nebula nominations. SFWA qualified. Good candidate.
G. V. Anderson	Level X	No	Yes	8	0	Maybe	Has won a World Fantasy award and a BFA award. That may be enough to be considered notable, but haven't worked up statistics on those awards yet.
Grant Carrington	Level 4	Yes	No	1	5	Maybe	Wrote the 'Timedippers' series, consisting of seven stories, appearing in 'Amazing Science Fiction'. Published one novel, and 24 other pieces of short fiction. Nominated for a single Nebula. Has SFE entry. SFWA qualified. 5 genre reviews.
K. M. Szpara	Level 4	Yes	No	5	3	Maybe	See Hugo section (nomination for the same novelette). Not pursuing an article at this time.
Mark J. McGarry	Level 4	Yes	Yes	3	3	Skip	Published two novels. Published in a broad range of magazines, including Asimov's, Amazing Stories, Analog, Galileo, and Rigel, as well as appearing in three original antholgies. Has SFE entry. Two Locus and one Nebula nomination. SFWA qualified.
R. C. Fitzpatrick	Level 4	Yes	Yes	1	0	Skip	Active 1962-1968 in Analog and The Magazine of Fantasy and Science Fiction, and co-wrote a story with Leigh Richmond. Only one award nomination. SFWA qualified. Technically has an SFE entry, but it is a single-line reference to Leigh Richmond's Crime and Punishment. Not a strong contender.
S. C. Sykes	Level 4	Yes	No	3	3	Skip	Active 1981-1991. Published two novels, and two pieces of short fiction. Nominated for Locus, Analog, and Nebula awards.
Norman Kagan	Level 4	Yes	No	3	0	Skip	Active 1964-1975 (plus some later essays). Has SFE entry. Published in 'Galaxy', and appeared in original anthologies edited by Disch and Rucker. Two stories appeared in annual Best SF anthologies. Nominated for three Nebulas, but not qualified for SFWA. No reviews recorded within genre magazines.
J. W. Schutz	Level 4	Yes	Yes	1	0	Skip	Active 1964-1975. Published four works in Fantasy and Science Fiction, and others in Analog, Galaxy, Amazing, Worlds of If, and Venture. Has SFE entry. Just one Nebula nomination. SFWA qualified. Technically notable, but with a skimpy awards and review record, it would be difficult to keep an article on Wikipedia.
Robert M. Green, Jr.	Level 4	No	Yes	2	0	Skip	No SFE, no genre reviews.
Gerald Jonas	Level 4	Yes	Yes	1	0	Skip	Active 1966-1986. Published three works in Fantasy and Science Fiction, and one in Galaxy Science Fiction. Nominated for a single Nebula. Technically notable, but with a skimpy awards and review record, it would be difficult to keep an article on Wikipedia.
Christopher Kastensmidt	Level 4	No	Yes	2	0	Skip	Currently lives in Brazil, and has a Portuguese Wikipedia entry. Produced three anthologies of fiction in the Portuguese language, but is nonetheless of interest for work in English. SFWA qualified.
Shweta Narayan	Level 4	No	Yes	2	0	Skip	Octavia Butler Memorial Scholarship for writers of color in 2007 (this page should also be fleshed out). SFWA qualified.
Meghan McCarron	Level 4	No	Yes	4	0	Skip	Has one Tiptree, Nebula, World Fantasy, and Locus nomination. One novel with a non-qualified publisher. Bibliography contains one anthology.
E. Clayton McCarty	Level 5	No	No	1	0	Skip	Active 1965-1970. All fictions was published exclusively in 'If' magazine. Nominated for a single Nebula.
Jonathan Brand	Level 5	No	No	1	0	Skip	Current link is a different Jonathan Brand. Published three stories in the early 60s, two in If magazine, and the other in Harlan Ellison's Dangerous Visions. The only author in Dangerous Visions without a Wikipedia article; there is a link to his story, but it circularly leads back to Dangerous Visions. Only one award nomination.
Jake Kerr	Level 5	No	No	1	0	Skip	Current links are to other Jake Kerrs. Has two qualifying works of short fiction, the rest is uncertain. Has an interesting bibliography with two collections and an anthology series. Possibly SFWA qualified. One Nebula nomination, and finalist for a Sturgeon Award in 2012.
Lee Mandelo	Level 5	No	No	9	3	Skip	Pseudonym for Brit Mandelo. Three Locus nominations, 1 Nebula, 1 Lambda, 1 Asimov's Undergraduate, and 1 Goodreads award noms. One novel with a non-qualified publisher. Bibliography contains one anthology. NOT SFWA qualified. Not notable in SF field (due to lack of SFE and SFWA), but a strong award history. Skip for now.
Terry Bramlett	Level 5	No	No	1	0	Skip	Active 2000-2010. One novel with a non-qualified publisher, with numerous short fiction, but only one published in qualified venue. Probably NOT SFWA qualified. Not pursuing an article at this time.

Nebula Nominees with no Wikipedia articles (Short Story Category)

Author	Notabilty	SFE	SFWA	Awards	Reviews	Add Article	Notes
Constance Ash	Level 3	Yes	No	3	5	Yes	Three novels in the Horsegirl series. Edited one anthology. Five short stories. SFE entry. Has Locus, Nebula, and Philip K. Dick nominations. SFWA qualified. Good candidate.
Ken Wharton	Level 3	Yes	Yes	5	3	Yes	Link points to a different Ken Wharton. One novel, and seven works of short fiction. Nominated for Best New Writer twice (2002 and 2003), 2 Locus awards, and one Nebula. SFWA qualified. Good candidate.
Bridget McKenna	Level 5	No	Yes	5	1	Maybe	See also Hugo analysis
Eugene Mirabelli	Level 4	No	Yes	2	0	Skip	Literary novelist who wanders into the SF genre. In SF genre has nine works of short fiction, with a Nebula and an Asimov's nomination. Has ten literary novels, with an IPPY First Prize for Literary Fiction, and has received a Rockefeller Foundation Award. Very likely notable outside of the SF field. SFWA qualified.
David W. Goldman	Level 3	No	Yes	4	0	Skip	Ten works of short fiction, most in SFWA qualified venues. Nominated for three Analog awards and a Nebula.
Richard Olin	Level 3	No	Yes	1	0	Skip	Pseudonym of Hugh Leddy. Six works of short fiction, three in Analog, and three in the Magazine of Fantasy & Science Fiction. SFWA qualified. Possible candidate.
Pat York	Level 3	No	Yes	1	0	Skip	Eleven works of short fiction of fiction.
Dennis R. Bailey	Level 5	No	No	1	9	Skip	Just one short story, and one novel which is an expansion of that short story. Both works co-written with David Bischoff. More well known in the TV/Film world; has an IMDB entry. Probably not SFWA qualified. Not an interesting candidate for an article.
Jamie Wahls	Level 5	No	Yes	1	0	Skip	Ten works of short fiction. Not SFWA qualified. Not an interesting candidate for an article at this time. Current link is a redirect to one of his stories.
Mary C. Aldridge	Level 5	No	No	1	0	Skip	Active 1983-1997. Three works of short fiction. Probably not SFWA qualified. Can find little other information. Not an interesting candidate for an article.
Robert Rohrer	Level 5	No	No	1	0	Skip	Active 1962-1965. Sixteen works of short fiction of fiction, eight in Amazing Stories, six in Fantastic Stories of Imagination, and two The Magazine of Fantasy and Science Fiction. Probably not SFWA qualified. Can find little other information. Not an interesting candidate for an article.
James A. Durham	Level 5	No	No	1	0	Skip	Also wrote as James Durham. Only has two pieces of short fiction, one in If and one in Analog. The Nebula nomination went to his first story, and he didn't publish his second until 7 years later. Since the author hasn't published again in 50 years, and no other biographical material can be found, this is not an interesting candidate for an article.
Alex Kirs	Level 5	No	No	1	0	Skip	Only has two pieces of short fiction, one in Science Fiction Adventures and one in Magazine of Fantasy and Science Fiction. The later story was included in Merril's Year's Best SF, 11th Annual Edition and the one nominated for a Nebula. Not an interesting candidate for an article.
Larry McCombs	Level 5	No	No	1	0	Skip	Only published one piece of fiction. Not an interesting candidate for an article.