Folded card with pencil illustration. Cover features flower on ground under words "Just remember..." Interior features illustration of heart superimposed on planet Earth with human figures dancing on it and the words, "We Are All Jews Together." Additional note reads, "Please know that Beth Chai Congregation members like us are thinking of you. Karen & Howard [last name redacted for privacy]."

Folded card on pink paper. A faded Star of David appears on lower right corner. Blue and yellow staining throughout. Due to exposure to the elements at the Wilkins memorial, the message on this card is no longer visible.

Folded card with colored pencil illustration. Cover shows four smiley faces, two heart shaped balloons, surrounded by asterisk-shaped stars on a multicolored background. Inside reads: "Our prayers are with you! I hope you are well!" Back reads "2018" and features two heart shaped ballons in the lower center atop a salmon colored background.

Black and white reproduction of a photograph originally printed in a newspaper, showing Greek Revival synagogue. Cropped selection from larger image.

Folded card with marker illustration. Cover features illustration of tree with ladder. Interior reads, "We are with you at this sorrowful time. The Beth Chai Congregation of Greater Washington." Back cover reads "I hope you feel better. P.S. We will donate $ to you" with two five-pointed stars.

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.

Post-it note with handwritten message and illustrations in green, blue, red, and black marker. The message reads: "He watching over Israel slumbers not nor sleeps." An illustration of houses on a hilltop with a river, trees, heart, and a moon and stars above, appears around the text.

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.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The front cover reads: "Letters." The inside reads: "To Tree of Life family: Who can explain such an event? And how do we move forward? My prayer is that your faith in your God will see you through this grieving time and heal you all with His Grace. Steve [last name redacted]."

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.

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 front cover reads: "Peace" and features a sandy landscape with a blue sky and orange flowers. The inside reads: "May your loved ones be held in the loving arms of God. I pray for your friends and families that they may find peace."

Card addressed to David Rosenthal, written using personal details from various public sources.

Handwritten note written on lined notebook paper reading: "Filled with grief- Prayers for peace and justice."

Card made by a student from the George Washington University Hillel. Card reads: "My thoughts and prayers are with your community. Stay strong, because the entire world is with you. - George [last name redacted]."

Post-it note with handwritten message in blue ink. The message reads: "Find strength in community today and hope for a better tomorrow." A heart appears between the third and fourth line on the right.

Post-it note with handwritten message in red marker. The message reads: "May the survivors and the victims' family have strength fortitude, peace and calm. -Chris F." Tape affixed to the upper edge.

Hand painted, laminated sign with the words: "May their memories be a blessing" in black paint." Eleven yellow candles with orange flames, symbolizing the eleven victims of the October 27 attack, appear below.