Post-it note with handwritten message in red marker. The message reads: "Let love rule."

Note from a member of The Church at Severn Run in Severn, Maryland. The note is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside messages of condolence and prayer. The church's contact information is included on the back of the envelope.

Note from a member of The Church at Severn Run in Severn, Maryland. The note is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside reads: "My thoughts are with you. We must erase hate. I love you. B.R." The church's contact information is included on the back of the envelope.

Note from a member of The Church at Severn Run in Severn, Maryland. The note is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside contains messages of encouragement and the sender's prayers for God's blessing. The church's contact information is included on the back of the envelope.

Post-it note with handwritten message in red marker. The note, which is written inside a heart, reads: "We love you guys." Two Stars of David appear on the lower right and center.

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "In light of recent events, I want to send over my condolences and love. I want you to know that this is not who we Christians are. We are not hate- only love. Your community is always and forever in prayers. [Smiley face]."

Card made by a student from the George Washington University Hillel. The card features a Star of David and reads: "Dear Pittsburgh, I miss you terribly. I miss my home now more then ever. I stand with my city and my Jewish community now and forever. I am sending all my love from DC."

Card from the Friendship Circle of Illinois. The front cover reads: "To: The Jewish Community of Pittsburgh. From: Yisroel [last name redacted], Chicago IL." The inside reads: "I feel so sad for you. My hachlata (resolution) is to give 3 cents instead of 1 or 2 cents. You should have everything you need. And Hashem (God) should give you all that you need." Spelling errors have been corrected for clarity.

Post-it note with handwritten message in black and red marker. The message reads: "God bless all people of Pittsburgh. Our hearts are with you. [Heart]."

Floral tag from floral arrangement sent by Bham. Handwritten note in black ink on printed tag with various flowers in the upper and lower left corners. The reverse is stamped with the contact information for Squirrel Hill Flower Shop.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear members and brothers and sisters- May you each know that our prayers are with you. May you find peace through God's love. Sam W. May our God be gracious to you in your time of difficulty beyond difficulty. Our [?] God is yours. David [last name redacted]."

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of seven children holding hands around a table with a large goblet and loaf of braided bread, and seven doves. The illustration is labeled: "We are people of God's peace." The inside reads: "Tree of Life members, There is a light at the end of the tunnel, you just have to see the light. Margee [last name redacted]."

Handwritten letter written in black pencil on pink coloring paper folded in half from the Dillon family. The letter inside is addressed to God, referred to as "Heavenly Father." The Dillon family pray for healing, comfort, and unity. The envelope is addressed to Tree of Life, written in blue pencil.

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of seven children holding hands around a table with a large goblet and loaf of braided bread, and seven doves. The illustration is labeled: "We are people of God's peace." The sender added the following inscription below, writing: "Tree of Life Members, Holy Angels CCD." The inside reads: "There is always hope" and features a large cross.

Floral tag from floral arrangement sent by a couple from Virginia. Handwritten message in blue ink on a printed tag featuring a white orchid on the lower right.

Card made by a student from the George Washington University Hillel. The front cover features the partial outline of a tree; most of the ink faded has faded by water damage at the memorial site. The inside, which also has partial fading due to water damage, reads: "I can't think of the words to say that could possibly make this better for all of you. Just know that we are all here for you, as a Jewish community sending love and strength your way. Though it may not seem like it now, we will all make it through this and work to make tomorrow a better day.

Black and white photograph of the 1901 confirmation class of Tree of Life Congregation in Pittsburgh. Shows four girls and three boys in formal wear.

Eight-page folded cardstock program with dark blue background and typed text. Cover features photograph of a stained-glass Star of David. Contents include order of program, song lyrics with musical notation, Psalm 23 in Hebrew, English and English transliteration, Alden Solovy prayer, test of Kel Maleh Rachamim prayer in Hebrew and English, text of Mourner's Kaddish in Hebrew and English transliteration, and text of Oseh Shalom in Hebrew, English and English transliteration.

Post-it note with handwritten message in black marker. The message reads: "We will make the world a better place in the name of your memory."

Post-it note with handwritten message in blue marker. The message reads: "May your loved ones rest in peace. May your hearts heal and know that we are with you and will defend and love you."