Envelope containing letters written by members of the Point Loma Community Presbyterian Church in San Diego, California. The envelope is labeled with a piece of paper reading: "Letters for Tree of Life Synagogue."

Card made by a student from the George Washington University Hillel. The front reads: "In our hearts" and shows an illustrated heart. The back reads: "Your Jewish family in D.C. is thinking of you and sending so much love your way. Love, GW Hillel."

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The envelope features an illustrated heart. The front cover reads: "Peace" and features a sandy landscape with a blue sky and orange flowers. The inside reads: "We are sending you so much love- and will stand with you in peace forever- with you in peace. Steve and Bailey."

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a leaf with floral and geometric motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Handwritten card from a student at Goddard Middle School in Littleton, Co. The front cover contains the following quote: "Let your smile change the world. But don't let the world change your smile." Illustrated with a Star of David below. The inside reads: "Dear Rabbi Jeffrey Myers, I am sorry for the antisemitic attack on your place of worship. I hope this letter will you get through these hard times. I also hope the victims' families are doing well. We can get through this. - Sincerely, Goddard Middle School Student, Littleton, Colorado."

Card from the Friendship Circle of Illinois. The front of the card features an illustration of 770 Eastern Parkway in Brooklyn, Ny., the international headquarters of the Chabad-Lubavitch movement. The inside reads: "To the Jewish community of Pittsburgh sheyichyu (may they live), I'm very sad to hear about the tragic passing of the eleven yidden (Jews) who were so brutally murdered al kiddush Hashem (sanctified by God). I hope there will be no more bad things that happen.

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: "Just because life is hard now...does not mean it will be forever challenging. Love in stronger than HATE. You just have to strong. We are praying. -Tree of Life members and all Jewish people. - From: Reena Weber and Holy Angels CCD, 8th grade." Illustrated with two small hearts.

Hardwritten card in blue pen on white paper, offering condolences following the October 27 attack.

Red synthetic flowers with green leaves inserted into a cylindrical piece of synthetic moss. Wrapped in brown textured paper and tied with raffia bow.

Wreath made of branches with leaves, wire, and small stones. Stones attached with black zip ties.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Our dear brothers and sisters at Tree of Life, You are not alone! I pray that God, our father, will fill you to overflowing with His peace and love as you mourn the loss of your family. May you find comfort in the knowledge that even in this tragedy God is in control and will bring beauty from the ashes. 'My comfort in my suffering in this: Your promise preserves my life.' Psalm 119:50."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a butterfly with geometric motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Rectangular piece of plywood wrapped in metal with embossed design of Hebrew word "Chai," meaning "Life."

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: "You are God's chosen people. He loves you so much and so do we. We pray that love wins in your synagogue every day. God bless, The Church at Severn Run." The church's contact information is included on the back of the envelope.

Handwritten note written in blue ink on a piece of notebook paper. Message is difficult to read due to low ink level. Pink staining throughout due to color bleeding from other nearby materials at the Wilkins memorial.

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 condolence, love, and wishes for strength. The church's contact information is included on the back of the envelope.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "To GOD's people in the Tree of Life Synagogue, Deep love and care from hurting hearts and encouragement in the difficulties every day. May the deep love of our GOD sustain you, strengthen you and give you peace. May GOD's deep shalom surround you, Chris and Martha (last name redacted), Point Loma Community Presbyterian Church San Diego, California."

Card addressed to Jerry Rabinowitz, written using personal details from various public sources.