The Academy 1878 July 13 New Series 14(323): 49, col. 3
Review of vocal score

The Athenæum 1878 June 1 [complete reference needed!]

The Athenæum 1899 June 10 3737: 730-731 Musical Gossip. 
Unsigned review of revival

Bell's Life in London and Sporting Chronicle 1878 June 1 3022: 3, col. 6 THEATRICAL NOTES. 
Unsigned review [mentions Barrington's cold]

The Daily Chronicle 1879 August 13 "The fracas at the Opera Comique"

The Daily News 1878 May 27

The Daily Telegraph 1878 May 30

The Echo 1879 April 18

The Entr'acte and Limelight : Theatrical and Musical Critic and Advertiser 1878 June 1 466: 12 LONDON THEATRES. OPERA COMIQUE

The Era 1878 June 2 Country Edition 40(2071): 5, cols. 1-2
[mentions Barrington's cold and calls Sir Joseph Porter an Admiral]

The Era 1879 January 26 41(2105): 7, col. 3 Private Theatricals. 
Unsigned review of amateur performance of H.M.S. Pinafore at Jesmond Dene

The Era 1879 April 20 [Town ed.?]

The Era 1879 April 27 [Country ed.?]

The Era 1879 December 21 Country Edition 42(2152): 13, col. 1 
Unsigned review of the Children's Pinafore

The Era 1887 November 19 50(2565): 16, cols. 1-2 THE LONDON THEATRES. THE SAVOY. 
Unsigned review of revival

The Era 1908 July 18 71(3643): 15, col. 1
George Power's recollections of H.M.S. Pinafore

The Era 1908 July 18 71(3643): 15, col. 2 Savoy Theatre. 
Unsigned review of revival [Barrington had a cold and "Fair moon" was omitted]

Figaro [London] 1878 June 1

Fun 1878 June 5

The Globe 1878 May 27

The Illustrated London News 1878 June 1 72(2031): 515

The Illustrated London News 1887 November 19 91(2535): 580, col. 1, pgph. 5
Unsigned review of revival at the Savoy Theatre

The Liverpool Daily Courier 1879 April 15

The Liverpool Daily Post 1879 April 15

The Liverpool Mercury 1879 April 15

Lloyd's Weekly 1878 May 26

The Morning Advertiser 1878 May 27

The Morning Post 1878 May 28

The Musical Times 1878 June 1 19(424): 329

The Musical Times 1879 December 1 20(442): 644, col. 2
Report on Gilbert & Sullivan's arrival in America

The Musical World 1878 August 31 56(35): 557-558 Covent Garden Promenade Concerts. 
Unsigned review. Includes reviews of Overtura di Ballo and a selection from H.M.S. Pinafore

The Musical World 1878 September 14 56(37): 593 Promenade Concerts (from the "Standard") 
Includes review of selection from H.M.S. Pinafore

The Musical World 1878 September 28 56(39): 624 Shaver Silver across Promenade Concerts (Retrospect). Includes review of Hamilton Clarke's selection from H.M.S. Pinafore

The Musical World 1879 April 19 57(16): 244-245 Pinafores in the States (All from one Paper). 
16 news items about pirate productions of H.M.S. Pinafore in America, collected by "Scrutator."

The Musical World 1879 April 19 57(16): 245 An Acknowlegment (from the Boston "Musical Record"). 
Letter from Sullivan to the Boston publisher Oliver Ditson thanking the firm for being the only one in America to bother to send any money in respect of performances of any of his works. Editorial comment from "D.B." suggests The Contrabandista would be appropriate fare for the Americans!

The Musical World 1879 December 20 57(51): 811-812 An interview with Cerberus. (From the "New York Herald," December 4th.) "Damme, it's too bad!" 
Interview with Sullivan, Carte and Cellier in the Brunswick Café, New York. Includes discussion of difficulties with the Musical Mutual Protection Union over orchestra musicians' pay.

The Musical World 1880 January 3 58(1): 10, col. 2, pgph. 4
Unsigned report of charity amateur performance of H.M.S. Pinafore in Cheltenham

The Musical World  1887

The New-York Daily Tribune 1883 March 18 42(13272): 7, col. 1. MUSIC AND THE DRAMA. THE STANDARD THEATRE - "PINAFORE." [revival]

The New York Herald 1879 November 6 Triple Sheet. GILBERT AND SULLIVAN. The Builders of H.M.S. "Pinafore" Arrive in Town. FIRST MATE CELLIER. How the Famous Frigate Was Build Christened and Launched. FUTURE PLANS AND PROSPECTS.

The New-York Times 1879 December 2

The Observer 1878 May 26

The Penny Illustrated Paper 1881 Jan 1 p. 5 
Illustration of the Children's Pinafore [which is reviewed in the same issue's "The Playgoer" column, but I don't have that reference yet]

Piccadilly 1878 May 30

The Saturday Review 1878 July 6

The Sporting Times 1879 April 19

St James's Gazette 1878 September 28

The Standard 1878 May 27

The Theatre : a weekly critical review 1878 May 29 3(70): 1-2 In London. 
Unsigned review

The Theatre : a monthly review and magazine 1879 September 1 New [2nd] series 3: 85-87 The fracas at the Opéra Comique. "By an Eye-witness"

The Theatre 1880 January 1 New [3rd] Series 1: 38-39
Review of the Children's Pinafore by Clement Scott

The Theatre 1887 December 1 New [4th] Series 10: 337
Review of first London revival

The Times 1878 May 27 29265: 6, col. 4

The Times 1879 February 21 29497: 9, col. 4, pgph. 16
Unsigned news item on H.M.S. Pinafore in America

The Times 1879 March 19 29519: 4, col. 5, pgph. 2 
Unsigned news item on  H.M.S. Pinafore in America

Touchstone, or, The New Era 1878 June 1

The Weekly Dispatch 1878 June 2