Letter Books - Indexed Series - #1-1449
- CHUR #1587 Correspondent : Submarine Boat Corporation- Henry R. Carse, A.M. Sullivan, (49) H.R. Sutphen 15p (49)
- CHUR #1588 Correspondent : French and Hecht- W.H. Stackhouse 10p (49)
- CHUR #1589 Correspondent : Stanton Specialty Company- W.F. Stanton 11p (49)
- CHUR #1590 Correspondent : Stevens, Raymond B. 12p (49)
- CHUR #1591 Correspondent : Moline Plow Company- George Arthur Stephens 7p (49)
- CHUR #1592 Correspondent : Stevens, H.F.B. 8p (49)
- CHUR #1593 Correspondent : Independent Harvester Company- W.D. Steward 111p (49)
- CHUR #1594 Correspondent : Straight, Willard 9p (49)
- CHUR #1595 Correspondent : Story and Cobb 15p (49)
- CHUR #1596 Correspondent : Strauss, Charles 7p (49)
- CHUR #1597 Correspondent : Swift, Harold H. 2p (49)
- CHUR #1598 Correspondent : First National Bank of Kansas City- E.F. Swinney 12p (49)
- CHUR #1599 Correspondent : Swift and Company- L.F. Swift and Charles H. Swift 7p (49)
- CHUR #1600 Correspondent : Army- Navy- Merchant Marine: discharges, etc.- H.O. Fowler 2p
- CHUR #1601 Correspondent : National General Electric Company- Gerard Swope 5p (49)
- CHUR #1602 Correspondent : Sweeney, Thomas B. 2p (49)
- CHUR #1603 Correspondent : B.K. Sweeney Electrical Company 6p (49)
- CHUR #1604 Correspondent : Sweeney, Pat L. 4p (49)
- CHUR #1605 Correspondent : Army- Navy- Merchant Marine: discharges- (49) Francis J. McAuley, alias Martin C. Sullivan 10p (49)
- CHUR #1606 Correspondent : Taylor, A. Merritt 9p (49)
- CHUR #1607 Correspondent : Chicago Association of Commerce- Lucius Teter and H.H. Garver 6p
- CHUR #1608 Correspondent : Army- Navy- Merchant Marine: discharges, etc.- Anonymous 2p (49)
- CHUR #1609 Correspondent : Army- Navy- Merchant Marine: discharges, etc.- (49) Charles A. McMahon 3p (49)
- CHUR #1610 Correspondent : Tardieu, Andrew 5p (49)
- CHUR 5/04 Folder : Letter Book 50 - Letters #1611-1649
- CHUR #1611 Correspondent : Taylor, B.E. 3p (50)
- CHUR #1612 Correspondent : Taylor, Samuel J. 22p (50)
- CHUR #1613 Correspondent : Nauticus- R. de Tankerville 4p (50)
- CHUR #1614 Correspondent : Turl Iron and Car Company- E.R. De Tamble 3p (50)
- CHUR #1615 Correspondent : Pressed Steel Car Company- J.S. Turner 4p (50)
- CHUR #1616 Correspondent : Thomas, C.A. 2p (50)
- CHUR #1617 Correspondent : Thomas, Lowell 2p (50)
- CHUR #1618 Correspondent : American Protective League 2p (50)
- CHUR #1619 Correspondent : Thurber, Edward (50)
- CHUR #1620 Correspondent : Tefft, H.B. 2p (50)
- CHUR #1621 Correspondent : University of Kansas- Olin Templin 2p (50)
- CHUR #1622 Correspondent : Terminal Taxi Company- Walter G. Dunlop 2p (50)
- CHUR #1623 Correspondent : Thomas, Eugene P. 2p (50)
- CHUR #1624 Correspondent : Thompson, A.E. 3p (50)
- CHUR #1625 Correspondent : Thomas, J. Fisher and Company- E.E. Thompson 5p (50)
- CHUR #1626 Correspondent : Thompson, Henry S. 2p (50)
- CHUR #1627 Correspondent : Chicago Home Missionary and Church Extension Society- (50) John Thompson 2p (50)
- CHUR #1628 Correspondent : Army- Navy- Merchant Marine: discharges- George Powell Cagney 18p
- CHUR #1629 Correspondent : Thurman, A.L. 3p (50)
- CHUR #1630 Correspondent : Thomas, C.S. 5p (50)
- CHUR #1631 Correspondent : A.S. Terrill and Company- A.S. Terrill 2p (50)
- CHUR #1632 Correspondent : Teague, W.O. 2p (50)
- CHUR #1633 Correspondent : Donnellan, Matthew J. 2p (50)
- CHUR #1634 Correspondent : Gosso Company- M.J. Terney 15p (50)
- CHUR #1635 Correspondent : Tingley, C.E. 4p (50)
- CHUR #1636 Correspondent : Thomas, Joseph b. 6p (50)
- CHUR #1637 Correspondent : Thompson, Harry L. 4p (50)
- CHUR #1638 Correspondent : Turnbull, L.A. 2p (50)
- CHUR #1639 Correspondent : Tombinson, G.A. 2p (50)
- CHUR #1640 Correspondent : Toomey, W.F. 4p (50)
- CHUR #1641 Correspondent : International Trade Press- C.A. Tupper 4p (50)
- CHUR #1642 Correspondent : Annual Business Show Company- Frank E. Tupper 3p (50)
- CHUR #1643 Correspondent : Tuthill, Richard S. 2p (50)
- CHUR #1644 Correspondent : Trimble, South 2p (50)
- CHUR #1645 Correspondent : Tracey, E.G. 5p (50)
- CHUR #1646 Correspondent : National Association of Credit Men- J.F. Tregoe 19p (50)
- CHUR #1647 Correspondent : Trefz, Edward F. 9p (50)
- CHUR #1648 Correspondent : Montana Electric Company- H.W. Turner 7p (50)
- CHUR #1649 Correspondent : Knights of Columbus- John F. Tyrrell 3p (50)
- CHUR 5-11 Subseries : Letter Books - Unindexed Alphabetical Series 1919-1923
- CHUR 5/05 Folder : Aa - Al (1)
- CHUR 5/06 Folder : Am - Aq (2)
- CHUR 5/07 Folder : Ar - Ba (3)
- CHUR 5/08 Folder : Barber, J.E. (4)
- CHUR 5/09 Folder : Barber, J.E.; Bailey, R.H. (5)
- CHUR 5/10 Folder : Be - Bn (6)
- CHUR 5/11 Folder : Bo - Bt (7)
- CHUR 5/12 Folder : Bu - Bz (8)
- CHUR 5/13 Folder : Ca - Cy (9)
- CHUR 6/01 Folder : Casey, Thomas J.; Central Trust Co.; Century Co. (10)
- CHUR 6/02 Folder : Ch (11)
- CHUR 6/03 Folder : Ch (12)
- CHUR 6/04 Folder : Chamber of Commerce, International (13)
- CHUR 6/05 Folder : Chamber of Commerce, International (14)
- CHUR 6/06 Folder : Ci - Com (15)
- CHUR 6/07 Folder : Colcord, Samuel; Commercial Club of Chicago (16)
- CHUR 6/08 Folder : Con - Cq (17)
- CHUR 6/09 Folder : Cr - Cz (18)
- CHUR 6/10 Folder : Cr - Cz (19)
- CHUR 6/11 Folder : Da - Dd (20)
- CHUR 6/12 Folder : De - Dh (21)
- CHUR 6/13 Folder : Di - Dz (22)
- CHUR 7/01 Folder : Ea - El (23)
- CHUR 7/02 Folder : Em - Fl (24)
- CHUR 7/03 Folder : Felton, Samuel- Chicago Great Western Railroad (25)
- CHUR 7/04 Folder : Felton, Samuel- Chicago Great Western Railroad (26)
- CHUR 7/05 Folder : Fi - Fn (27)
- CHUR 7/06 Folder : Fo - Fq (28)
- CHUR 7/07 Folder : Fr - Gn (29)
- CHUR 7/08 Folder : General Electric Co. (30)
- CHUR 7/09 Folder : General Electric Co. (31)
- CHUR 7/10 Folder : General Electric Co. (32)
- CHUR 7/11 Folder : Glenn, J.M. (33)
- CHUR 7/12 Folder : Glenn, J.M. (34)
- CHUR 7/13 Folder : Go - Gz (35)