Card made by a student from the George Washington University Hillel. The card features a Star of David and reads: "To the Pittsburgh community, We are a city built on steel and kindness and held up by a thriving Jewish community. I miss my home, my city so much right now, but I know that you are strong. I send all my love."

Post-it note with handwritten message with red marker. The message reads: "Oh, Jerry we miss you so much. [Heart] R.S."

Post-it note with handwritten message in blue marker. The message reads: "Jerry D.H. is overflowing every service with congregants all inspired by and missing you. You, of blessed memory."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear Members of the Tree of Life Synagogue, Although I am a Presbyterian, I have Jewish ancestors. I was so saddened by the tragedy your congregation has [?]. May you have the blessings of the Lord, and may the ones you have lost rest in peace. William H. [last name redacted] San Diego, CA."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "To the Tree of Life Community, We are praying for you in San Diego and sending you blessings through this difficult time. God is with you and holding your members who passed in His loving hand. May His light fill your hearts during these dark times and remind you of His love even through the things we cannot explain. Bless you, Gresham." An illustration of a tree filled with hearts appears below.

Post-it note with handwritten message in black marker. The message reads: "With loving memory.... May all these innocent souls rest in peace in shamium (heaven)." Signed with a heart.

Post-it note with handwritten message in blue marker. The message reads: "We will love, no matter."

Unsigned card with handwritten note reading, "So sorry for your loss. Please know that ALL of Pittsburgh is UNITED with you! Much love [two heart symbols]."

Post-it note with handwritten message in blue marker. The message reads: "Love with [will] always win in a war against hate. -Simon [last name redacted]."

Handwritten note in red marker on a piece of brown paper from a family. Dated 10-27-18.

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 support and divine love. The church's contact information is included on the back of the envelope.

Post-it note with handwritten message in black ink. The note is written in Hebrew and English. Translated into English, the message reads: "All of Israel are connected to one another. We are with you!"

Folded card with repeating diagonal plaid pattern in green and dark blue marker on yellow paper. The inside contains the following words in a cloud-shaped bubble with emanating light rays: "I am sorry for what happened. It will be ok. [Heart]." A Star of David surrounded by tiny dots appears in the upper left corner.

Letter written in blue ink on lined notebook paper reading: "Dear Jews of Pittsburgh, I am really sorry for you and your losses and hope you feel better soon. Love: Tali, From: Cleveland, Ohio." Illustration of a girl with a large smiling face, long hair adorned with flower or butterfly clip, and a long sleeved dress appears in the lower center.

Folded card on red paper with handwritten messages in black marker. The front cover is addressed: "To the strong and resilient Jews of Squarrel [Squirrel] Hill," with a heart. The inside contains a message of support and solidarity from an anonymous Jew.

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.

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The envelope contains a handwritten message: "With Peace and in Repentance and friendship of Spirit." The front cover reads: "Peace" and features a sandy landscape with a blue sky and orange flowers. The inside reads: "Dear Friends in the God of Abraham, My spirit and my prayers have been with you this past week. Prayers of love, courage, hope, and prayers of repentance for all little ways in which my own way of living accommodates any hatred, bigotry, or antisemitism.

Prayer card with reproduction of "The Miraculous Icon" depicting the Virgin and Child. According to the text on the front cover, this prayer card was blessed at mass with holy water and incense. The inside features various recommended prayers for healing and petitions.