INTERNAL CONTROL RPT

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Shareholders and Board of Trustees of
Boston Trust Walden Funds

In planning and performing our audit of the financial statements
of Boston Trust Walden Funds, comprising the Boston Trust Asset
Management Fund, Boston Trust Equity Fund, Boston Trust Midcap Fund,
Boston Trust SMID Cap Fund, Boston Trust Small Cap Fund, Walden
Balanced Fund, Walden Equity Fund, Walden Midcap Fund, Walden
SMID Cap Fund, Walden Small Cap Fund, and Walden International
Equity Fund (the "Funds"), as of and for the year ended December
31, 2019, in accordance with the standards of the Public Company
Accounting Oversight Board (United States), we considered the Funds'
internal control over financial reporting, including controls over
safeguarding securities, as a basis for designing our auditing
procedures for the purpose of expressing our opinion on the financial
statements and to comply with the requirements of Form N-CEN, but not
for the purpose of expressing an opinion on the effectiveness of the
Funds' internal control over financial reporting.  Accordingly,
we express no such opinion.

The management of the Funds is responsible for establishing and
maintaining effective internal control over financial reporting.
In fulfilling this responsibility, estimates and judgments by
management are required to assess the expected benefits and related
costs of controls.  A fund's internal control over financial
reporting is a process designed to provide reasonable assurance
regarding the reliability of financial reporting and the preparation
of financial statements for external purposes in accordance with
generally accepted accounting principles (GAAP).  A fund's internal
control over financial reporting includes those policies and
procedures that (1) pertain to the maintenance of records that, in
reasonable detail, accurately and fairly reflect the transactions
and dispositions of the assets of the fund; (2) provide reasonable
assurance that transactions are recorded as necessary to permit
preparation of financial statements in accordance with GAAP, and
that receipts and expenditures of the fund are being made only in
accordance with authorizations of management and trustees of the
fund; and (3) provide reasonable assurance regarding prevention or
timely detection of unauthorized acquisition, use or disposition of
a fund's assets that could have a material effect on the financial
statements.

Because of its inherent limitations, internal control over financial
reporting may not prevent or detect misstatements.  Also,
projections of any evaluation of effectiveness to future periods
are subject to the risk that controls may become inadequate because
of changes in conditions, or that the degree of compliance with the
policies or procedures may deteriorate.

A deficiency in internal control over financial reporting exists
when the design or operation of a control does not allow management
or employees, in the normal course of performing their assigned
functions, to prevent or detect misstatements on a timely basis.
A material weakness is a deficiency, or combination of deficiencies,
in internal control over financial reporting, such that there is a
reasonable possibility that a material misstatement of the Funds'
annual or interim financial statements will not be prevented or
detected on a timely basis.

Our consideration of the Funds' internal control over financial
reporting was for the limited purpose described in the first
paragraph and would not necessarily disclose all deficiencies in
internal control that might be material weaknesses under standards
established by the Public Company Accounting Oversight Board
(United States).  However, we noted no deficiencies in the Funds'
internal control over financial reporting and its operation,
including controls over safeguarding securities, that we consider
to be a material weakness as defined above as of December 31, 2019.

This report is intended solely for the information and use of
management and the Board of Trustees of the Funds and the Securities
and Exchange Commission and is not intended to be and should not
be used by anyone other than these specified parties.

/s/COHEN & COMPANY, LTD.
Cleveland, Ohio
February 21, 2020

EXEMPT ORDER INFO

Boston Trust Walden Funds
Interfund Lending Form N-CEN Certification
Year Ended December 31, 2019

With regards to the InterFund Lending Program, I certify that Boston
Trust Walden Inc., formerly, Boston Trust Investment Management,
Inc., acting as Adviser to Boston Trust Walden Funds (the "Funds"),
formerly, Boston Trust & Walden Funds, on behalf of the Funds has
implemented procedures reasonably designed to achieve compliance
with the terms and conditions of the InterFund Lending Order which
includes the following objectives: (a) that the InterFund Loan rate
is higher than the Repo Rate but lower than the Bank Loan Rate; (b)
compliance with the collateral requirements as set forth in the
Application; (c) Compliance with the percentage limitations on
interfund borrowing and lending; (d) Allocation of interfund
borrowing and lending demand in an equitable manner and in
accordance with procedures established by the Board of
Trustees; and (e) that the InterFund Loan Rate does not
exceed the interest rate on any third-party borrowings of
a borrowing Fund at the time of the InterFund Loan.


   ___Amy E. Siefer_____________________________________
Amy E. Siefer
Chief Compliance Officer
Boston Trust Walden Funds

___3/6/2020_________________

Date