Card from three students [last names redacted] at Magen David Yeshivah High School in Brooklyn, Ny. Front cover features an illustration of a house with a large rain cloud behind it; the rain falls on a small stick figure holding a heart below. The cover is addressed to the families of Pittsburgh. The upper flap inside features a pink heart in the center with rain clouds and raindrops on the left, a shining sun on the lower right, and a smiling face with symbols tumbling out in a diagonal ray.

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 congregant at the Holy Angels Parish. The front cover contains a stock illustration of a haloed dove flying in front of Noah's ark. The inside reads: "Even in dark times there's still hope! I'm praying for you ALL! From Holy Angels CCD." Spelling errors corrected for clarity.

Folded card on white paper. Extensive pink staining in the center. Traces of yellow and pink writing and hand drawn illustrations visible in the upper center and lower left. Dirt stains throughout. Due to exposure to the elements at the Wilkins memorial, the message on this card is no longer visible.

Card from the Friendship Circle of Illinois. The front cover reads: "To the Jewish community of Pittsburgh sheyichyu (may they live)." The inside reads: "I heard what happened and give my fullest sympathy. I am heartbroken by what happened, and really hope moshiach (the Messiah) will come and you'll be united with your dear ones." Spelling errors corrected for clarity.

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.

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of a haloed dove flying in front of Noah's ark. The inside reads: "We all pray for you of what happened. We pray the people that are hurt to get better and the people that died to be happy in heaven. Aubry M Holy Angels 4th grade." Color bleeding due to water exposure at the memorial site.

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.

Handwritten card in pink and orange marker on pink paper. The card reads: "Sorry for this tragedy. We love! Adeline." A large, striped, inverted triangle appears below the word "Sorry." Small hearts and peace symbols appear throughout.

Handmade card on white paper. Eleven trees, illustrated in blue ink, appear in the center. The number 11 appears below, followed by a heart. The card reads: "For the 11 people that died. Love, Coleman [last redacted]."

Handwritten card from a student at Goddard Middle School in Littleton, Co. The front cover reads: "F.e.a.r. has two meanings- Forget everything and run OR Face everything and rise. The choice is yours." A star of David and cartoonish illustration of a smiling boy wearing a red baseball cap appear below; a shining sun in the upper right corner. The inside reads: "Dear Rabbi Jeffrey Myers, We are sorry for your loss and we hope you are recovering well. -Aiden G. Littleton, Colorado." Spelling errors corrected for clarity.

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.

Handwritten card from a student at Goddard Middle School in Littleton, Co. The front cover contains the following quote: "The secret of CHANGE is to focus all of your energy not on fighting the old, but on building the new." An illustration of three flowers flanked by trees on either side, and a Star of David, appear below. The inside reads: "Dear Rabbi Jeffrey Myers, I am a 7th grade student at Goddard Middle School in Littleton, Colorado. I am sorry for your loss. Sincerely, Josie [redacted], Littleton, Colorado." The signature is accompanied by a heart.

Card addressed to Richard Gottfried, written using personal details from various public sources.

Folded card on pink paper. Burn damage visible in the upper right edge of the card, perhaps due to proximity to an illuminated candle. Due to exposure to the elements at the Wilkins memorial, the message on this card is no longer visible.

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.

Card with colored pencil illustration. When opened, the card features an illustration of a tree and grass. It inscribed with the following message: "We are sorry for your loss" and the word "love" surrounded by a heart.