July 13, 2017

Division of Investment Management

U.S. Securities & Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Re:Vanguard Admiral Funds; File Nos. 33-49023; 811-7043

Vanguard Bond Index Funds; File Nos. 33-6001; 811-4681

Vanguard CMT Funds; File Nos. 333-111362; 811-21478

Vanguard California Tax-Free Funds; File Nos. 33-1569; 811-4474

Vanguard Charlotte Funds; File Nos. 333-177613; 811-22619

Vanguard Chester Funds; File Nos. 2-92948; 811-4098

Vanguard Convertible Securities Fund; File Nos. 33-4424; 811-4627

Vanguard Explorer Fund; File Nos. 2-27203; 811-1530

Vanguard Fenway Funds; File Nos.33-19446; 811-5445

Vanguard Fixed Income Securities Funds; File Nos. 2-47371; 811-2368

Vanguard Horizon Funds; File Nos.33-56443; 811-07239

Vanguard Index Funds; File Nos. 2-56846; 811-2652

Vanguard Institutional Index Funds; File Nos. 33-34494; 811-6093

Vanguard International Equity Index Funds; File Nos. 33-32548; 811-5972

Vanguard Malvern Funds; File Nos. 33-23444; 811-5628

Vanguard Massachusetts Tax-Exempt Funds; File Nos. 333-63579; 811-09005

Vanguard Money Market Reserves; File Nos. 2-52698; 811-2554

Vanguard Montgomery Funds; File Nos. 333-145624; 811-22114

Vanguard Morgan Growth Fund; File Nos. 2-29601; 811-1685

Vanguard Municipal Bond Funds; File Nos. 2-57689; 811-2687

Vanguard New Jersey Tax-Free Funds; File Nos. 33-17351; 811-5340

Vanguard New York Tax-Free Funds; File Nos. 33-2908; 811-4570

Vanguard Ohio Tax-Free Funds; File Nos. 33-34261; 811-6083

Vanguard Pennsylvania Tax-Free Funds; File Nos. 33-2907; 811-4571

Vanguard Quantitative Funds; File Nos. 33-8553; 811-4526

Vanguard Scottsdale Funds; File Nos.333-11763; 811-7803

Vanguard Specialized Funds; File Nos.2-88116; 811-3916

Vanguard STAR Funds; File Nos. 2-88373; 811-3919

Vanguard Tax-Managed Funds; File Nos. 33-53683; 811-07175

Vanguard Trustees’ Equity Fund; File Nos. 2-65955-99; 811-2968

Vanguard Valley Forge Funds; File Nos. 33-48863; 811-7023

Vanguard Variable Insurance Funds; File Nos. 33-32216; 811-5962

Vanguard Wellesley Income Fund; File Nos. 2-31333; 811-1776

Vanguard Wellington Fund; File Nos. 2-11444; 811-121

Vanguard Whitehall Funds; File Nos. 33-64845; 811-07443

Vanguard Windsor Funds; File Nos. 2-14336; 811-834

Vanguard World Funds; File Nos. 2-17620; 811-1027

(the “Vanguard Funds”)

Commissioners:

Pursuant to Rule 14a-6(a) under the Securities Exchange Act of 1934, we hereby file preliminary proxy materials for each of the registrants listed above. These materials include a combined proxy statement and proxy cards. We expect to begin mailing proxy materials to shareholders on or about August 16, 2017. Shareholders will be asked to vote on one or more of eight proposals, including the election of fund trustees, approving two manager of managers arrangements, changing the investment objective of two funds and the diversification policy of one fund, adopting Vanguard’s Funds’ Service Agreement for certain funds, as well as a shareholder proposal regarding social investing and a shareholder proposal regarding climate change reporting.

If you have any questions or comments concerning this filing, please contact me at (610) 669-1955 or Judy Gaines at (610) 669-1538.

Sincerely,

Tara R. Buckley
Senior Counsel
The Vanguard Group, Inc.

Enclosures

cc: Lisa Larkin, Esq.

U.S. Securities and Exchange Commission